Infectious diseases and colonization.
Sorry, I don't have an answer more specifc than that.
The second group of southern states seceded after the attack at Fort Sumter. Four additional states left at this time. These states left because they had concerns about what would happen to slavery now that the fighting had begun. They waited until the Civil War began before leaving the Union.’!!!!!!!!!!
Answer:
<u>C. Pacific Ocean.</u>
Explanation: If you look at a map you will see that the Pacific Ocean lies on the eastern border of China. Hope this helps ^-^.
