The answer is two and a half years.
The United States watched World War I from afar for two and a half years before entering and declaring a war against Germany on April 6, 1917. Before entering the war, United States was intent on keeping a neutral relationship between countries that are involved in the war.
I think the answer is <span>The land acquired in the Mexican cession should be established as free states. </span>
The answer is A. Hope this helps:)
Well they could be spread through cultural diffusion. Trade brought different groups of people together causing the cultural diffusion and the advances in technology caused trade.
He was first elected President of France from 1848-1852