Nomadic means they was traveling. Reservation means that they stayed/lived on a reservation.
A because lie in returned to Russia to make a deal
A
The correct answer is the last option.
The prefix "bi-" means two, so Congress is bicameral because it has both the Senate and the House of Representatives. In the Senate, each state has the same number of representatives, and in the House, the number of representatives is in proportion to the population of the state.
An increase in life expectancy
