Answer:
The president has the power to make treaties, with a two-thirds vote of the Senate, and has the power to make international agreements. ... The president can also influence foreign policy by appointing US diplomats and foreign aid workers.
Explanation:
The Black Death or plague hit Europe not long after the fall of Rome.
The Louisiana Purchase is important because it gave the U.S. control of the Mississippi River and the port city of New Orleans, both of which were used by farmers to ship their crops and get paid.
Answer:
classical conditioning.
Explanation:
refers to procedures used into learning the biologically potent stimulus that is paired with previously neutral stimulus.it is also know as the process of learning that arise from pairing.