Which best prevented the government from maintaining control at the end of the tang dynasty?

Which explorer travel the farthest south in his journey

Which of the following was not an effect of westward expansion? a. native american tribes suffered confinement on reservations. b. native americans learned new techniques of irrigation. c. many native americans died from the spread of disease. d. natural resources were depleted from misuse by white settlers.

This document provides the framework for the united states government. it consists of three main parts: the preamble, seven articles, and 27 amendments.