What political influences shaped the governments of the British colonies

What is the name for the main idea behind the settling of western lands by americans in the early-1800s?

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

What practical concern lay behind the promotion of longitudinally planned churches in 17th-century rome? a) allowing the circulation of pilgrimsb) interior lighting of the navec) support for the heavy domed) accommodating parishioners