James Madison was the fourth president of the United States of America born in Montpelier Virginia he was president from 1809-1817
This is true, and it refers to the empress Leizu who lived around the time, and who is believed to have discovered silk. However, the earliest sources speak of 3500 BC- so a lot earlier, but yes, they could produce silk by 2700 BC
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Earth's mass has remained constant, and thus the gravitational pull at the surface has decreased over time; Earth's mass has grown with the volume in such a way that the surface gravity has remained constant; Earth's gravity at its surface has increased over time, in line with its hypothesized growing mass and volume.
He was most famous for inventing a new style of "singing" called scat singing.
The puritans greatly influenced the public schools you attend.
I hope this helps.