The population of san francisco, california, skyrocketed around 1850 for which of the following reasons? a. us victory in the spanish-american war
b. purchase of the alaskan territory from russia
c. discovery of gold in the sierra nevada
d. us victory over many american indian tribes

treaties

explanation:

world war i began in 1914, after the assassination of archduke franz ferdinand, and lasted until 1918. during the conflict, germany, austria-hungary, bulgaria and the ottoman empire (the central powers) fought against great britain, france, russia, italy, romania, japan and the united states (the allied powers). to new military technologies and the horrors of trench warfare, world war i saw unprecedented levels of carnage and destruction. by the time the war was over and the allied powers claimed victory, more than 16 million people—soldiers and civilians alike—were dead.

explanation: