A large grouping of business interests with significant market power, which may be embodied as a group of companies that cooperate with one another in various ways

A corporate trust

Explanation:

A trust or corporate trust is a chain of businesses that have sizeable market power and cooperate with each other in different ways such as being members of a trade association, co-owning stock, or forming a conglomerate.

Thus, the correct answer is corporate trust because they do all those functions listed.

active voice: my father cut the tree.

passive voice: the tree was cut by my father.

active voice: people buy newspapers every day.

passive voice: newspapers are bought (by people) every day.

active voice: people have been using movies as political propaganda since world war ii.

passive voice: movies have been used as political propaganda since world war ii.

active voice: donna gave me my birthday present.

passive voice: i was given my birthday present (by donna). / my birthday present was given to me (by donna).

active voice: mom will leave the keys on the counter.

passive voice: the keys will be left (by mom) on the counter.

the words in parentheses are the agent of the passive voice and can be omitted when obvious, generic, or simply unnecessary.

i believe the dynamic character would be teddy because he learns an important lesson