*ECONOMICS* A rising GDP and a falling unemployment rate are most likely indicators that
an economy is in which phase of the business cycle?
A. Contraction
B. Expansion
C. Peak
D. Trough

B. Expansion

Explanation:

In economy , expansion refers to a period when a nation is experiencing an increase in its overall economic productivity.

At this time, majority of business entities start to getting enough profit from their operation.  This lead to an increase in their capital reserve.  As a result,. they tend to make investments in various part of their businesses to increase their production. (such as investing in new technology or hiring more workers).

GDP is calculated by adding total consumption, investments, government spending, and net export of a country. All of these tend to increase during economic expansion. As a result, the total GDP will also increase.