Which of the following was an important part of both olmec and maya culture? quipu astronomy calpulli pyramids

Olmec and Mayan culture both had pyramids as an important part of their cultures. La Venta was an Olmec pyramid built as a ceremonial center. Pyramid of Kukulkan, is a Mayan pyramid and is one of the most visited pyramids to date.

Ifound this on google “simply, the working conditions were terrible during the industrial revolution. as factories were being built, businesses were in need of workers. with a long line of people willing to work, employers could set wages as low as they wanted because people were willing to do work as long as they got paid.” i hope this you for what your looking for.