Points were usually fastened to a short foreshaft, and then that foreshaft was inserted into the body of the lance. When they were hunting big game like the mammoth, Clovis and Folsom people would probably thrust the weapon into the animal, breaking off the foreshaft.
The initial effects of the atomic bomb dropped on Hiroshima and Nagasaki were: the entire city was razed to the ground and nothing left standing.
The answer to your question would be letter B. The other letter choices are incorrect.
It was England that was the birth place of the Industrial Revolution, mostly due to the availability of manpower and resources. The Industrial Revolution quickly spread to the US however.
C. The ideas expressed by president Woodrow during and after the First World War
