What were the inca roads used for?

The Inca Roads were used by messengers carrying messages across the empire.

Explanation:

Roads were used by messengers or chasquis carrying messages across the empire. The Incas developed techniques to overcome the difficult territory of the Andes. Many roads crossed high mountains. On steep slopes they built stone steps resembling giant flights of stairs.

Explanation:

JUST LOOK IT UP

"a shortage of traditional labor created new opportunities in the workplace. a major cause of the internment of japanese americans during world war ii was. racial prejudice. in the early 1940's, the "destroyers-for-military-bases deal" with great britain and the lend-lease act were evidence that the united states."