Answer:
D) salt
Explanation:
The salt is a mineral that is of great biological importance for the people. Not just that it is important, it also makes the food taste much better when added in it. This made the salt very popular and demanded among pretty much every civilization or tribe, meaning that the ones that were controlling the trade with the salt were able to have a lot of profit of it. The kingdoms of northern Africa had that chance and they used it. They were in excellent location to control the trade routes through which the salt was passing and was traded, so they were able to get a lot of wealth even though they were not the main producers of it.
The water course assumed a major part in the French and Indian War since it made it less demanding to escape.
The pilgrims called it the French and Indian War, and it for all time moved the worldwide adjust of energy. By the mid-eighteenth century, both the British and French needed to broaden their North American provinces into the land west of the Appalachian Mountains, referred to then as the Ohio Territory.
When pioneers headed west in the late 19th century, many couldn't resist the lure of the tall grassy land in the semiarid midwestern and southern plains of the United States. They settled there to farm. They were prosperous in the decades that followed, but when the 1930s rolled in, so did strong winds, drought and cloudsof dust that plagued nearly 75 percent of the United States between 1931 and 1939 The era became known as the legendary Dust Bowl.
The Dust Bowl brought ecological, economical and human misery to America during a time when it was already suffering under the Great Depression. While the economic decline caused by the Great Depression played a role, it was hardly the only guilty party. What circumstances conspired to cause the Dust Bowl? Economic depression coupled with extended drought, unusually high temperatures, poor agricultural practices and the resulting wind erosion all contributed to making the Dust Bowl.
