The correct answer is - A war between the colonies and Britain.
After the Declaration of Independence and what it actually meant and encouraged the people in the colonies to do, the expected reaction from the British Empire was that it will try to use military force in order to keep the colonies under its control. And the expectations were true, as the British did launched a military campaign against the rebelling colonies, but the Americans were prepared for this and managed to withstand their ground and gained their desired independence, and that was a major blow for the British, especially from economic perspective.
Commodity money is something that used as the medium of exchange that has value in its own right. For example, gold, silver, cigarette. representative money is commodity backed money.
When the aryans migrated to India the concept the brought was The Caste System
As a general impact over all of Africa, foreign invaders, typically from Europe, initially seemed to have a positive impact in the sense that they introduced public schools and basic hygiene, but the also had many negative impacts because eventually, in the 18-1900's when many African nations became independent countries and forced the Europeans out, they were left with little government, political, or economic skills which is why many of the African nations of the modern day are still considered developing countries.
