How many years passed between the disappearance of all the settlers on roanoke island and englands willingness to try again to establish a colony

Aging populations can be a problem for developed countries because a) there are fewer younger workers coming into the workforce. b) most older workers demand top-level pay and full benefits. c) many older people are skilled in manufacturing, not technology. d) younger workers cannot find jobs when older people work longer.

Were african-americans allowed to serve in the military in wwi?

Define”to walk with a large group of people who are supporting something”