The question of which powers are appropriate to congress group of answer choices was answered clearly and finally by the lengthy enumeration of powers in article i of the constitution.

a. continues to generate substantial controversy, despite the lengthy enumeration of powers in the constitution.
b. was a matter of controversy during the early years of the union but no longer generates much controversy.
c. concerns only insignificant issues today.
d. has been left undefined by numerous court decisions.

The correct answer is A) continues to generate substantial controversy, despite the lengthy enumeration of powers in the Constitution.

Explanation:

The question of Congress power continues to be controversial day by day in political life. One classical example is the question of war. According to the constitution, it's the Senate, not the president, who can declare war on another nation. Despite this, the Senate has not declared formally declared war since 1942, but ever since, presidents have used executive power for military action many times.

answer; the edward snowden leaks of nsa classified material;

could you go a bit more in depth with you question? it's quite hard to understand. as soon as you do that i will be glad to : )