The Black Death is believed to have been the result of plague, an infectious fever caused by the bacterium Yersinia pestis. The disease was likely transmitted from rodents to humans by the bite of infected fleas.
It is because of the purchasing power of the American dollar. The country had to change personal wages, taxes, and cost of living for drastic changes. Im not 100% sure this is right but I hope this helps a little bit!!
Answer: 
Explanation:
Given
A Planet is moving at a rate of 3 cm/year
distance between planets is 1500 km
and 1 km=1000 m
1 m=100 cm
No. of years required to cover 1500 km=
A) American Indians lost their land <span />
John Locke helped with the magna Carta the magna Carta defended the rights of the colonists and the mayflower helped the colonists that left england to make a self governing goverment they both helped the colonists