Germany and Mexico are examples of democratic countries where decision-making is shared by the national and state/local governments. What form of government do these countries have?
O A. authoritarian
O B. confederation
OC. unitary
O D. federal

porter is writing economic history because he is focusing on the cost of developing vaccines.

worldwide, 780 million people do not have access to an improved water source. an estimated 2.5 billion people lack access to improved sanitation (more than 35% of the world's population)

the answer is true. i hope this .