What was created during the era of the Vietnam war that clearly proved how divided the people were?

In 1969, the new U.S. administration of Richard Nixon launched the first draft lottery since 1945 for recruiting men to serve in Vietnam. This event incensed the anti-war movement, caused a wave of acrimonious controversy and forced numerous young Americans to flee to Canada to avoid military service. The public mood was exacerbated, with tensions at the highes level,  and there were more mass demonstrations and violent incidents.

Explanation:

answer; the period of time known as the middle ages;