The senate can influence foreign policy by approving (or refusing to approve) negotiated by the president.

The Senate can influence foreign policy by approving (or refusing to approve) the terms negotiated by the president. The negotiating terms without fighting is called Diplomacy. Many prefer to use diplomacy because they don't want to fight and disagree with military power.

The Native Americans preferred their own foods. When it came to animals, however, the Native Americans borrowed eagerly from the Eurasian stables. The Columbian Exchange brought horses, cattle, sheep, goats, pigs, and a collection of other useful species to the Americas.

THAT'S ALL FOLKS (￣▽￣*)ゞ