During the American Civil war, the Confederacy hoped to receive assistance from France and Great Britain because they sold cotton to them.
I think it's A because slavery wasn't abolished in Washington DC until 1862.
Answer:
By 1913, the British Empire held sway over a population of about 458 million people, approximately one-quarter of the world'spopulation. It covered about 36.6 million km² (14.2 million square miles), about a quarter of Earth's total land area.
The correct answer is atomic bombs.
This is the answer for you're topic and also I got this from my old computer history so yeah.