Answer:
It caused the United States and the Soviet Union to declare war on Germany.
Explanation:
Answer:
Gold rush and mining opportunities (silver in Nevada)
The opportunity to work in the cattle industry; to be a “cowboy”
Faster travel to the West by railroad; availability of supplies due to the railroad.
The opportunity to own land cheaply under the Homestead Act.
Explanation:
The archduke was assassinated in the city of Sarajevo
