Answer:
may be the answer is "B" Trenches proved to be effective defenses, and relatively few soldiers died.
In addition to replacing the president if necessary, it's the duty of the vice president to
C. preside over the Senate
This is according to the US Constitution. The vice president can also be appointed as member of the Cabinet if decided by the president.
The US purchased the Florida Territory from Spain... i think that was in 1819
New world animal domesticates include only two large birds ( The turkey in North America and muscovy duck, Caitina moschata, from mexico south into south America) A medium sized rodent ( Guinea pig, Cavia porcellus) The Dog in the western hemisphere
