In which colonies was market day an important time?

What is the main social system that existed in ancient china?

One of galileo’s contributions to science was a creating the coordinate plane system. b developing the scientific method. c improving the telescope. d inventing the astrolabe.

How does smith characterize the colonizing effort and why does he so characterize the effort to settle jamestown? what was the most difficult challenge faced by the colonists who established jamestown? how was this most difficult challenge affected by other demands and challenges that confronted the first english to establish a permanent settlement in north america?