Achondroplasia is one of the most common types of dwarfism. Learn about its causes, diagnosis, and treatment. Achondroplasia is one of the most common types of dwarfism.
Westward Expansion (1807-1912) The Surge West. Summary. The westward movement of the American population occurred in intermittent flurries of settlement. The first began early in the nation's history, resulting in the statehood of Vermont, Kentucky, Tennessee, and Ohio, all of which were admitted to the Union between 1791 and 1803.
After the Confederates attacked and captured Fort Sumter, President Lincoln called for volunteers to march south and suppress the rebellion. This pushed the four other Upper South States (Virginia, North Carolina, Tennessee, and Arkansas) also to secede. These states completed the formation of the Confederate States of America. Their addition to the Confederacy insured a war would be prolonged and bloody because they contributed territory and soldiers.