Here are the answers to your questions:
Question 18: Which of the following British acts did colonists argue was a form of taxation without representation?
Answer: Stamp Act
Question 19: After the Civil War, many Southern states passed laws that restricted the rights of former slaves. These laws were commonly known as
Answer: black codes.
Question 20: In which way was the Mayflower Compact an influence on the government of the United States?
Answer: It was an example of representative government.
Question 21: What was the significance of the Missouri Compromise?
Answer: to reduce conflict by keeping the amount of slave and free states equal
Question 22: The ability to more quickly and efficiently transport goods from the North East to the Great Lakes was most influenced by
Answer: the construction of the Erie Canal.
Question 23: What was the significance of the Battle of Yorktown in the American Revolution?
Answer: It was the final defeat of the British army.
Question 24: The Proclamation of 1763 stated that American colonists could not settle beyond the Appalachian Mountains. The main reason for this was
Answer: to maintain peace with the Native Americans.
Question 25: Why were town meetings in the Massachusetts Bay Colony significant?
Answer: They were one of the first attempts at self-governance in North America.
Question 26: The colonists at Jamestown experienced many hardships during their early years in North America. One cause of their struggles was
Answer: a lack of resupply by their English sponsors.
Question 27: What role did carpetbaggers play in the Reconstruction era?
Answer: They invested in low-cost business opportunities in the south and gained many political positions.
Question 28: The term "54-40 or fight" was associated with expansion into which area?
Answer: Oregon Territory
Question 29: Which of the following was part of the Radical Republican Plan for Reconstruction?
Answer: Southern states needed to enact civil rights and voting rights reforms before they could reenter the union.
Question 30: The first Africans in British North America were brought to Jamestown in 1619. The colonists purchased them as
Answer: indentured servants.
If you have more questions or need further clarification, feel free to ask!