How does science help the study of the prehistory of the planet?

My own answer based on my understanding

the science help in many ways there is study of physics and biology including geography all of these help clarify today's events and make stuff have more sence

this means that germany had to pay the allied countries. reparations are/is essentially payment for something that they have done wrong, so after ww1, germany was forced to pay reparations so they could replenish the allied countries resources' that they had lost during the war.

an economic reason that the south needed a reconstruction plan is that plantations, factories, and other businesses were destroyed during the war.