Between the 1760s and the 1860s choose 3 inventions made other than a sewing machine! i need as soon as possible

pennsylvania pennsylvania colony was a proprietary colony founded when william penn was awarded a charter by king charles ii in 1681. he set up the colony as one of religious freedom. the government included a representative legislature with popularly elected officials. all taxpaying freemen could vote.

i hope this

d: social contract theory