Which of the following statements is true regarding the ancient Maya? The Maya built on the achievements of the Olmec and Zapotec.
The Maya were ruled by one powerful emperor.
The highest Mayan pyramids were about 50 feet tall.
Chichen Itza was the only Maya city with a pyramid

an early twentieth-century ad for model home blueprints

the answer is a. hope this

to replace ineffective because   andrew jackson's spoil system was a deliberate policy after he became president to remove federal employees he considered to be political opponents and replace them with his own supporters.

a) trade was one of the most effective ways.