Researchers who want to establish a causal relationship between two variables should use a research design called a(n)

The law of supply states-when price increases, the quantity will when prices decreases the quantity supplied will we look at supply from the point of view .’

Aprovision of the general agreement on tariffs and trade treaty (gatt)increased taxes on services between the us, mexico, and canada.reduced international tariffs on industrial goods by forty percent.increased us tariffs on agricultural products by forty percent.ended taxes on goods traded by the us, mexico, and canada.

How is government in the united states like that of ancient athens?