How did French philosopher René Descartes contribute to the Scientific Revolution? He invented new scientific instruments.
He developed mathematical principles.
He made discoveries about the universe.
He developed a new way to solve problems.

Tenochtitlán was the capital of the aztec empire. it was a busy and bustling city where“there are daily more than 60,000 souls, buying and selling, and where are found all the kinds of merchandise produced in these countries.” when cortes arrived in 1519, theenormity of the trading market and the smoothness of it’s running both surprised and  impressed him.

The answer should be d