What did the maya use their knowledge of astronomy.

Cooper's contribution to the american novel was savestylesformat instructions

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.

Should the u.s limit the number of terms a lawmaker can serve in congress