Why did the United States expand to Alaska and to islands in the Pacific?

To attain resources such as fur, timber and minerals, and gold and to attain naval bases to protect their economy expansion.

Explanation:    B R A I N L I E S T    P L E A S E

Explanation:

The US purchased Alaska, the Alaska Purchase, in 1867. It was bought by the US because Russia wanted to sell it fearing it would be seized if was broke out with Britain. Many Americans believed the United States needed to expand to keep its economy strong.

a. theta waves. this is because the person is in a light sleep which means the brain waves would show these kind of waves.

c, because the american revolution was from 1765 to 1783.