Rhode island colonies allowed religous freedom but i think you had to be a Puritan to worship in massachusetts bay colony....
Hydroelectric power and natural gas was introduced in the late 1800s
The plaque may represent a certain kingdom or dynasty as it
depicts the king and his attendants and guards in the plaque. It cannot deciphered unless you have the
complete plaques for it was made in a set and hung in the halls depicted the lineage
of the royal family.
The Egyptian Pyramids is one example of a construction made of large stones. HOWEVER, The question seems that there should be pictures included, but there is not. So I give an example to help however I can, Feel free to comment and give more context if you wish for further help.