Yes, helmets absorb some of the impact of a crash which can prevent or lessen the severity of head injuries.
Economics is the answer to the question
The house of congress the senate and the house of representatives
The one that best explains why women's rights activists were dissatisfied with the fifteenth amendment is :
They wanted the amendment to guarantee equal civil rights as well as equal voting right
Back then, only men were allowed to vote so women got no representative in the government
hope this helps
The chief executive is part of the legislative branch