Why did russia send troops to the border of austria-hungary in 1914? austria-hungary had invaded serbia, and russia was in an alliance with serbia. austria-hungary was threatening to invade russia. austria-hungary was sending its people to live in russia. austria-hungary needed resisting a german invasion.

Which one of the following is true of jamestown? sir francis drake founded the settlement in 1619. o john smith was responsible for introducing tobacco. o black slaves were brought to jamestown in 1619.

All state and federal officials are required to take an oath to support the constitution. select the best answer from the choices provided t f

Why were presidents andrew jackson and martin van buren unwilling to annex texas? a. they did not want texas to be admitted to the union as a slave state. b. they feared that the annexation of texas as a slave state would lead to political problems within the union. c. they thought that texas was too large to be admitted to the union as one state. d. they did not believe in the idea of manifest destiny.