Civil War would be the war between the North and South, and since Confederates attacked Union forces to start the war.... the answer would have to be A: the attack at Fort Sumter. (A)
The battle of Fort Sumter began on April 12, 1861, when Confederate forces fired on the Union garrison. These are considered the first shots of the war, and therefore, the event directly led to the outbreak of the Civil War. The other events listed in the options are likely to have contributed to the Civil War. However, they did not directly led to it.
The borders between the Soviet republics never acted as barriers to migration, fulfilling only an administrative function. Soviet migration policy focused mainly on internal migration, for the purpose of redistributing the labor force. Millions of people moved between the Soviet republics as the state attempted to regulate internal migration primarily by stimulating resettlement to sparsely populated regions with considerable deposits of natural resources, including to northern and far-eastern Russia and to Kazakhstan.
Following the collapse of the Soviet Union, migration policy in the region underwent serious transformation. The newly independent post-Soviet states began setting up their own institutions to regulate migration and citizenship, and it soon became clear that Russian immigration law needed reform.
The first letter of each word makes Suribachi. Mt. Suribachi held special significance in the Battle of Iwo Jima because that is where the US Marines raised the flag
