The man who was credited with putting the concept of mass produced interchangeable parts into use was Eli Whitey. He was also the man who invented the cotton gin.
The process of approving a document such as the constitution is called the process of "ratification", which is what all the states in the United States had to do in order to enact the US Constitution.
Answer:
Sam Houston avenged the deaths
Answer:
Henry the Navigator, prince of Portugal.
Explanation:
