Assuming that you want this simplified...
Use the FOIL method and combine like terms:
And your final answer is: 
Answer:
Aryans from central Asia invaded South Asia and introduced the caste system as a means of controlling the local populations.
In 1973, OPEC created a major oil crisis in Western European nations and the United States by declaring an embargo against them. The shortage of fuel disrupted businesses and limited the use of cars and other vehicles.
This examples shows interdependence because the US economy was negatively effected by the economic sanctions placed on them by countries who were part of OPEC. This resulted in long gas lines in the US, as well as limits on how much gas individuals could buy at one time.
The term used to refer to a type of business organization created in the 19th century that was meant to eventually produce a monopoly is A) Trust.
In economics, Trust is an association between companies or factories which produce the same products, offer the same services or work on the same industry field. And the main goal of this association is to make a national or international monopoly through the use of fixed prices, the ownership of packages of shares that involve control, etc.
The first time this term was used was in 1882 when the Standard Oil Trust took place in The United States.
