In what ways did the Great Society promote a better life for all Americans regardless of economic status?

you may want to rephrase it...

Explanation:

The main goal was the total elimination of poverty and racial injustice. New major spending programs that addressed education, medical care, urban problems, rural poverty, and transportation were launched during this period.

a is correct

hope this let me know if it is right

the  wilmot proviso  was designed to eliminate  slavery  within the  landacquired as a result of the mexican war (1846-48). fearing the addition of a pro-slave territory, pennsylvania congressman david  wilmot proposedhis amendment to the bill.