How did the telegraph’s usage change in the short time span between the 1840s and the early 1860s

Why did river valleys most farming impact the lives of neolithic peoples?

Tension between the british and boers was caused primarily by what things?

In presidential elections if no candidate receives a majority of the election votes, a. the winner is decided by the house of representative’s. b. the current president remains in office for four more years. c. the winner is decided by the senate. d. a runoff election is held in december between the two candidates who received the most votes in the general election.