What is the purpose of the preamble of the constitution?

The preamble sets the stage for the Constitution. It clearly communicates the intentions of the framers and the purpose of the document. The preamble is an introduction to the highest law of the land; it is not the law.

which time period is this? or is this story fictional, i'm going to need more info to answer this question

the answer that best explains what happened to george washington at fort necessity, pennsylvania is : washington was attacked by the french but was able to negotiate with them to peacefully end fighting. the battle took place on july 3, 1754. the battle is considered as being the start of the french and indian war.