Why did Russia declare war on Austria-Hungary at the beginning of World War I? A. It feared an Austro-Hungarian mobilization close to its borders.
B. It was the traditional protector of Serbia.
C. It counted on the Germans for military assistance.
D. It wanted the territories held by Austria-Hungary.

The transcontinental railroad provided a means of fast transportation. it cut a 6 month trip into 6 days, created jobs for many people and encouraged immigration. the homestead act played a huge role in western expansion; it allowed settlers to begin a fresh start, and gave them land in exchange for their residence for up to five years and a small fee.