The astronauts look for life on Mars

What does it mean when world war one is referred to as a “total war”

What is the relationship between the supreme court and the lower courts? the supreme court must abide by the decisions of the lower courts. the supreme court appoints judges to the lower courts. the supreme court can overrule decisions made by the lower courts the supreme court can impeach judges from the lower courts.

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