The capitalist system in the us assumes that business exist with which motive
a. to others
b. to create a monopoly
c. to reduce competition
d. to make a profit

The correct answer is D. To make a profit.

Explanation

Capitalism is an economic system in which the means of production are owned by particulars rather than the government, this means, businesses and companies belong mainly to individuals. Additionally, in this economic system, the profits remain in the hands of the owners of the means of production, and it is obtaining profits the main reason and motivation within this system because money or profits represent power in societies and the market as big companies have an advantage over small ones. Also, a peculiarity is that the State does not directly intervene in the businesses of private companies. According to this, in this system, it is assumed business in the U.S. and other countries exist to make a profit. So, the correct answer is D. To make a profit.