The mountain ranges were natural barriers to invading forces and stopped people from coing into india.
I think it is Earthquakes
The resources that were traded on the Trans-Saharan trade were salt, slaves, and religion. The West African countries were trading their gold for salt. The slaves were sent North and served as slaves or slave concubines. Islam was spread through the use of the Trans-Saharan trade route.
The Depression was a good preparation for WWII-Americans had learned to scrimp and persevere. It took more than 6,000 people to provide food, equipment, medical services, and transportation to 8,000 soldiers. In addition, many raw materials, such as rubber, manila fiber, and oil, were in short supply. Nevertheless, Americans rose to the occasion. When FDR called for the production of 50,000 planes in a year, it was thought to be ridiculous. By 1944, the country was producing 96,000 a year. Technology blossomed.
IN this quote Benjamin Franklin is referencing the failed "Albany Plan," since this was his idea, in which the colonies would have formed a loose union in order to better manage taxes.