Because the US navy could move more quickly between oceans.
I thinks? I'm sorry if I get wrong answer.
The only power from the list that was given to the national government under the Articles of Confederation was "<span>(E) The power to declare war," since the Articles were intentionally "weak" in that they left most of the political and military power with the individual states. </span><span />
The Blitzkrieg tactic, which was the usage of overwhelming air power allowed the Germans to acquire territory quickly and intimidate their enemies. The use of the lighting war on Great Britain, for instance, was ultimately unsuccessful.
The great age of conquest had ended a few decades before. Three legions had been destroyed in the Battle of the Teutoburg Forest by rebellious German tribesmen in 9 AD, and the emperor Augustus concluded that the empire was overextended and called a halt to new wars of conquest.
Explanation: this will help you.