How did people of the 1920s define the age in which they lived?

the  seven  days  battles  were  a series of seven battles over seven  days from june 25 to july 1, 1862, near richmond, virginia,  during  the american civil war. the  seven  days ended with mcclellan's army in relative safety next to the james river, having suffered almost 16,000 casualtiesduring  the retreat.

answer:

it caused mass african migration, african populations to grow, african empires to topple, and racism against slaves to emerge.

i normally just use

the correct answer is the last one accuustomed to millary involvement overseas hope this !