The American civil war was from <span>April 12, 1861 – May 9, 1865</span>
President Thomas Jefferson purchased the Louisiana Territory from France in 1803 and sent Meriwether Lewis and William Clark on an exploration to check out what the United States got.
Your answer would be Influenza.
During the year of 1919, there was a global pandemic of a diseased called Infleunza, in other words, it's like a flu, but deadly. A pandemic is when there is an epidemic of a disease that has spread across a large region, in this case, this disease became global. This disease caused people to get sick, die, and pass it on to other people. It started spreading all across the world and most people were getting sick from it, it was a very dangerous time.
Guerrilla warefare was important because it gave the colonial troops an edge up on the British, as they did not normally fight that way. they found traditionally in formations
