What factors contributed to the united states becoming a war leader?

What factors contributed to the United States becoming a world leader? the United States winning the war and having a strong economy. the Allies winning the war and US having a skilled labor force. the United States winning the war and German scientists sharing their knowledge.

Explanation:

explanation:

the president, prime minister, chief justice, speakers and ministers take their oath of office. the oath is taken in bengali

was a long, primarily nonviolent series of events to bring full civil rights and equality under the law to all americans. the era has had a lasting impact on united states society, in its tactics, the increased social and legal acceptance of civil rights, and in its exposure of the prevalence and cost of racism. in the south violence and fraud in southern elections from 1868 to 1876, which had reduced black voter turnout and enabled southern white democrats to regain power in state legislatures across the south