What was the basic relationship between the federal government and the states in the mid-nineteenth-century United States?
Divided sovereignty
Power was shared, but arguments over where ultimate authority lay became increasingly bitter.
Which office headed the executive branch of the American Republic in c1845?
the president
The president was central to national leadership, but his powers were limited by the Constitution.
Which document defined the structure of the US government?
the Constitution
It set out federal institutions, but many key issues were left open to interpretation.
Fill in the blank:
The US _____ defined the powers of the federal government and the states.
Constitution
Disputes over its meaning were crucial in the build-up to Civil War.
What was the role of the Supreme Court in the American Republic?
To interpret the Constitution
Its rulings could shape the balance between federal and state authority.
True or False:
By c1845, all Americans agreed on the exact balance of power between Washington and the states.
False
Disagreement over states’ rights and federal authority remained a major source of tension.
What was one key economic characteristic of the Northern states in c1845?
Industrial growth
The North developed manufacturing, commerce and transport more rapidly than the South.
What was one key social characteristic of the Northern states in c1845?
Urbanisation
Northern society was becoming more urban, mobile and socially diverse.
What was one key political characteristic of the Northern states?
Broader support for federal activism
Many Northerners accepted tariffs, internal improvements and stronger national institutions.
What was one key economic characteristic of the Southern states in c1845?
Dependence on plantation agriculture
Cotton and slave labour underpinned much of the southern economy.
What was one key social characteristic of the Southern states?
Slave-based hierarchy
Southern society was strongly shaped by racial slavery and elite planter dominance.
What was one key political characteristic of the Southern states?
Emphasis on states’ rights
Southern leaders often defended local autonomy against perceived federal interference.
Fill in the blank:
The southern economy in c1845 depended heavily on plantation _____.
agriculture
Cotton was especially important to wealth and exports.
What earlier settlement tried to preserve sectional balance over slavery in the territories?
the Missouri Compromise
It admitted Missouri as a slave state and Maine as a free state while drawing a territorial line.
Why was the Missouri Compromise important in the long term?
It showed slavery needed constant compromise
It temporarily eased tension but did not resolve the underlying conflict.
What was the Nullification Crisis?
A dispute over state resistance to federal law
South Carolina claimed a state could nullify a federal tariff.
Why was the Nullification Crisis important to later sectional conflict?
It highlighted states’ rights arguments
Southern politicians later drew on similar ideas when defending secession.
True or False:
The Nullification Crisis strengthened confidence that sectional disputes could never threaten the Union.
False
It exposed how serious conflicts over federal power could become.
Why did some Southerners fear modernisation?
It seemed to threaten the slave system
Industrial and social change was often associated with northern values and anti-slavery sentiment.
How did the moving frontier affect sectional politics?
It raised the issue of slavery in new territories
Every westward expansion reopened the question of whether slavery would spread.
What idea justified American expansion westwards in the 1840s?
Manifest Destiny
Many Americans believed expansion across the continent was natural and justified.
Fill in the blank:
The belief that the United States was destined to expand westwards was called _____ Destiny.
Manifest
This idea intensified conflict over the future of new lands.
Why did westward expansion increase tension between North and South?
New territories had to choose slave or free status
Sectional balance in Congress depended on the status of western lands.
Which war added large new territories and intensified sectional controversy?
the Mexican War
Victory over Mexico reopened arguments over slavery’s expansion.