How did the rough riders and african american cavalry units contribute to the war effort?

Why are nation-states difficult to create?

Hitler hoped the threat of would deter the u. s. from entering the war. a. japanb. genocide c. nuclear war d. war on two fronts

What was a goal of the treaty of versailles? question 4 options: to germany rebuild its industry to build better roads and factories in germany to make sure germany did not invade france in the future to give great britain and the united states credit for their in wwi