the cause and effects of these events. Each number in parentheses is how many sentences should be there.

In historical terms, every event has a cause, and is itself the cause of subsequent events, which may therefore be considered its effect(s), or consequences.Use parentheses to enclose information that clarifies or is used as an aside. Example: He finally answered (after taking five minutes to think) that he did not understand the question. If material in parentheses ends a sentence, the period goes after the parentheses.

congress also has implied powers, which derive from the necessary and proper clause of the constitution and permit congress "to make all laws which shall be necessary and proper for carrying into execution the foregoing powers, and all other powers vested by this constitution in the government of the united states.

i believe the correct answer is b.