Answer: When Walker's security was threatened under the Fugitive Slave Law of 1850, Lesley helped her move to Boston. There she found refuge with Lesley's cousin. Although safe at last, Walker was heartbroken. Running away meant an end to her life as a slave, but it also meant leaving behind her mother and three children.
Explanation:
The answer to this question is false. Hope this helps :)
Probably so they could settle the land for themseleves
Answer:
There are 3 main reasons.
1. heat from when the planet formed and accreted, which has not yet been lost.
2. frictional heating, caused by denser core material sinking into the center of the planet.
3. heat from the decay of radioactive elements.
I hope my answer helped!