The foreign affairs powers of congress come from the constitution and
a) the lawmaking responsibilities that are given to congress
b) the responsibilities given to congress by other nations
c) the responsibilities given to congress by individual states
d) the responsibilities given to congress by the president

The correct answer is A) The lawmaking responsibilities that are given to Congress.

According to Article 1 Section 8 of the United States Constitution, Congress has the power to "regulate commerce with Foreign nations." This expressed power in the constitution clearly shows that Congress has the responsibilities of making laws with foreign nations.