What aided economic growth in the united states in the 1950s?

Domestic Buring increase

Explanation:

In the 1950s, the US saw a moment of exponential economic growth by raising domestic buring by pulling the quality of life upward and providing the basis for steady and steady population growth, developing the suburbs that have become one of America's trademarks.

Ihad to look for the figure and here is my answer:

based on the given circle d with angles adc and arc ac, here is how we are going to look for the measure of angle abc:
arc ac=angle adc
8x-8=7x+2
8x-7x=2+8
x=10
< adc=7(10)+2=72
< abc=72/2=36
so the answer for this is 36 degrees.