<span>The assassination of Archduke Franz Ferdinand</span> lead to a direct conflict between the two powers (Austria and Russia) and further lead to the war. Hope that helps.
Cumberland road is important because it served as a gateway to the West for thousands of settlers
The correct answer is Joseph Stalin.
<em>The leader that in 1943 wanted to open a second front in Europe during the war against Germany was Soviet Union leader Joseph Stalin.
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During World War II, there was a meeting between the three most important leaders of the Allies. It was on November 1943 that Joseph Stalin, Franklin D. Roosevelt, and Winston Churchill gather together in the city of Tehran, Iran, to discuss the probability of opening a second front to fight the German Army. The suggestion came from the Soviet leader, Joseph Stalin. The argument of Stalin was that without a second front, Germany had a good chance to defeat the Allies.
Florida had become a burden to Spain, which could not afford to send settlers or garrisons, so the Spanish government decided to cede the territory to the United States in exchange for settling the boundary dispute along the Sabine River in Spanish Texas. I hope that this is very helpful unlike the other rude person, have a nice day