Two political parties came into being in the United States over the issue of ________ in the middle of the 19th century.
A: slavery
B: admission of new States
C: economic development
D: the Constitution
A: slavery
B: admission of new States
C: economic development
D: the Constitution
举一反三
- The Trust movement started in the United States in the late 19th century.
- In 19th century, the United States didn’t join in the imperial expansion.（ ）
- In 1787, ( ) of the United States was convened and the Constitution of the United States was enacted.
- The Constitution of the United States __________.
- The United States’ economy suffered severely from the two World Wars in the 20th century.