Question

1. how did the introduction of the machine gun change military tactics? (select all that apply)

a. direct attacks would be more common.
b. direct attacks would be less common.
c. a large number of machine gunners was needed to hold off an attacking force.
d. a smaller number of machine gunners could hold off an attacking force.

Explanation:

The machine gun had a high - rate of fire. This made direct attacks very costly in terms of casualties, so direct attacks became less common (B). Also, due to its firepower, a smaller number of machine gunners could hold off an attacking force (D). A large number of machine gunners was not needed as their firepower was sufficient even in smaller numbers, so C is incorrect. And as direct attacks were less common, A is incorrect.

Answer:

B. Direct attacks would be less common.
D. A smaller number of machine gunners could hold off an attacking force.