Is this a question, if it is google vietnam war crash course world and also U.S history
The Egyptians invented and used many basic machines, such as the ramp and the lever, to aid construction processes. They used rope trusses to stiffen the beam of ships. Egyptian paper, made from papyrus, and pottery was mass produced and exported throughout the Mediterranean basin.
Yathrib's residents had asked Muhammad to move to the city in order to bring strong leadership and peace. They sought Muhammad's counsel in brokering a peace between the warring tribed of Aws and Khazraj.
Hope This Helps! :)
