What significant military problem did the Han face?

The first was that these military campaigns were enormously expensive. Soldiers were not farming when they were fighting or training, and they needed adequate supplies of food, clothing, and equipment in order to perform well. In order to meet these needs, the government had to develop new sources of income.

Explanation:

The first was that these military campaigns were enormously expensive. Soldiers were not farming when they were fighting or training, and they needed adequate supplies of food, clothing, and equipment in order to perform well. In order to meet these needs, the government had to develop new sources of income.

Explanation:

to act quickly in times of danger to the united states

because you have to act quickly if you want to live/survive.

jewish people, gypsies, and political opponents.