What caused South Africa to grow so rapidly in the 1900’s?

On 13 March 1900 Bloemfontein was occupied by the British, followed by Johannesburg and Pretoria on 1 September. The Boers continued a guerilla war, which was countered by the British by devastating the boers' farms and placing their women and children in white- and black concentration camps were some 28 000 died.

a.

congress passed laws allowing for free passage between states.

when world war i broke out across europe in 1914, president woodrow wilson proclaimed the united states would remain neutral, and many americans supported this policy of nonintervention. however, public opinion about neutrality started to change after the sinking of the british ocean liner lusitania by a german u-boat in 1915; almost 2,000 people perished, including 128 americans. along with news of the zimmerman telegram threatening an alliance between germany and mexico, wilson asked congress for a declaration of war against germany. the u.s. officially entered the conflict on april 6, 1917.