Mass production of steel, large suspension bridges, steel frame construction in buildings. It allowed impurities to be removed cheaply and easily, enabling steel to be produced in mass quantities.
Answer:
Galileo was known for being a astronomer. His greatest achievement was for discovering 4 moons of Jupiter. His work also fought conflict with the Catholic Church.
Hope that helps:D
Answer: it was probably the most important black revolutionary leader in Americas, revolutionnary leader in Haiti (French colony). This leader of Haitian revolution became later governor of Saint Domingue (name of Haiti at that time).
Explanation: in Haiti revolution started in 1791 and was initiated as a consequence of revolutionary movement in France. Touissant L´Ouverture was in the head of revolutionary movement already at that time. The revolution was not only against French imperialism but it was also revolution of blacks against their white "seigneurs"
Answer:
I'm pretty sure it was the Vikings
