In a trust agreement, companies... a. Buy out stock of their competitors.
b. Buy stock in companies of trusted friends.
C. Turn over their stock to a group of trustees to create one larger company.
d. Give up their profits to a group of trustees

C.

Explanation:

A Trust Agreement can be defined as arrangement between the third party or trustees and beneficiary(-ies). In such agreements, trustees or the thhird party take care of property or holds assets for a beneficiary. A trust agreement sets out the rules to be followed by trustees, who holds the assets, for beneficiary(-ies).

Companies, who form trust agreements, do so to turn over their stocks to trustees or the third party and create one larger company.

Therefore, option C is correct.

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you will need these

an outline of all three paragraphsan identification of the historical era that you are writing aboutan explanation of the term mass productiona description of two ways new technology affected industrya conclusion that shows how new technologies allowed industrialization to grow