which was one way business people tried to eliminate competition?

a. They formed monopolies or trusts.
b. They decreased the price of their products.
c. They developed overseas markets.
d. They paid higher wages to their workers.

a. They formed monopolies or trusts.

are you sure this is the answer?

Yes, I am sure. Forming monopolies or trusts was a common way for business people to eliminate competition by controlling the market and reducing or eliminating competitors. This practice was often used during the late 19th and early 20th centuries in industries such as oil, steel, and railroads.