Why was Alexander the Great undefeated in battle? A. He had the largest army of all time.

B. He used cautious, well-tested strategies.

C. He inspired his troops

D. He showed mercy to those he captured

B

Explanation:

Alexander the Great was known as one of the greatest military commanders because of the battle strategies he used. Hope this helps.

congress also has implied powers, which derive from the necessary and proper clause of the constitution and permit congress "to make all laws which shall be necessary and proper for carrying into execution the foregoing powers, and all other powers vested by this constitution in the government of the united states.