the "shot heard round the world” refers to the first shots fired of the american revolution. the battles of lexington and concord had a ripple effect on the rest of the world. explain how these shots impacted world history.

The first shot was the mark of the american revolution, a critical part of american history. The Colonists winning the war, alongside the French, marked America as an independent country. More importantly, these shots marked one of the first times that The British Empire faltered.

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.