By what year had each of the following come under Muslim control? Mecca Jerusalem Cairo Baghdad Saragossa

Who is the executive branch checking when the president calls a special session of congress

Arecent challenge to the european union created by a member state is?

Which environmental change allowed people to travel by land between asia and north america a.human apaption to arctic environments b.the introduction to horses to north america c.the formation of ice sheets on land d.a rise in ocean temperatures