It is not A. I know because I got it wrong with this answer.
Executive Branch<span>: Headed by the president.</span>
Answer:
Louisiana Purchase, Texas Annexation, the Mexican Cession, the Erie Canal, the Homestead Act, the transcontinental railroad and the California Gold Rush are some examples of how the US started expanding its territory in the 1800s.
Explanation:
American leaders were feared that the United States would shut out of the valuable china trade.
