Which strategy did Nazi Germany use to conquer Poland and France in the early years of World War II?
A. Germany surrounded the European coast with submarines,
creating massive famines.
B. Germany launched rapid attacks with advanced technology that
overwhelmed defending armies.
C. Germany used aerial bombardments to destroy Poland's and
France's defenses without using ground troops.
D. Germany relied on communist spies to sabotage Poland's and
France's military bases and defense installations.

The strategy Germany used to conquer Grance and Poland at the outbreak of World War ll was called blitzkrieg

Explanation:

The blitzkrieg ( war-lighting in German) was a war tactic used by the German army during World War ll.

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when world war i broke out across europe in 1914, president woodrow wilson proclaimed the united states would remain neutral, and many americans supported this policy of nonintervention. however, public opinion about neutrality started to change after the sinking of the british ocean liner lusitania by a german u-boat in 1915; almost 2,000 people perished, including 128 americans. along with news of the zimmerman telegram threatening an alliance between germany and mexico, wilson asked congress for a declaration of war against germany. the u.s. officially entered the conflict on april 6, 1917.