Answer:
The Committees of Correspondence were formed to increase communication between the different colonies.
They got some land from the Louisiana Purchase and other land they got from Mexico through the 1848 Treaty of Guadalupe Hidalgo.
The situation reached a watershed in 1952 with the Mau Mau Uprising. The Mau Mau were a militant nationalist movement of primarily Kikuyu people, also known as the Kenya Land and Freedom Army. They launched a violent campaign against the colonial authorities and white settlers.