The Americans built the Panama Canal second. The first ones to do it were the French, but they did not finish the canal because of engineering problems and a high mortality rate because of diseases. They succeeded because the Panama Canal now makes the route between the Atlantic and Pacific Oceans much quicker, faster and convenient than if boats had to travel around the tip of South America. This allowed more places to be included in the world economy.
The answer is B due to how the Manifest Denstiny was the expansion of the U.S through American Continents.
The President of the United States of America (POTUS) is the elected head of state <span>and head of government of the United States. The president leads the executive branch of the federal government and is the </span>commander-in-chief<span> of the United States Armed Forces,</span>
The answer to your question is "<span>cephalocaudal</span>."