Which activity is the best example of a concurrent power shared by states and the federal government?

At the start of the war, which countries were on the side of the central powers? check all that apply. ottoman empire great britain russia austria-hungary italy

Kublai khan honored his mongol heritage by: a)marring only one wife b)praying facing mecca five times a day c)slaughtering ten chinese officials every year d)building a large enclosed hunting ground at shangdu,his summer palace

Name three new weapons that changed how ww! was fought and how?