In the United States, examples of the concurrent powers shared by both the federal and state governments include the power to tax, build roads, establish bankruptcy laws, and to create lower courts.
so i would say C. is the most reasonable.
A Sea because thats how it expand better
The theory proposed that a communist takeover over of one country would quickly lead neighboring countries to fall to communism, like dominoes falling in succession. Cold War foreign policy was enveloped in the domino theory, which led to policies like containment, the Marshall Plan and the wars in Korea and Vietnam.
Plantation requires more labor than family farms