Amazon said Monday that it needs to hire 100,000 people across the U.S. to keep up with a crush of orders as the coronavirus spreads and keeps more people at home, shopping online.The online retailer said it will also temporarily raise pay by $2 an hour through the end of April for hourly employees. That includes workers at its warehouses, delivery centers and Whole Foods grocery stores, all of whom make at least $15 an hour. Employees in the United Kingdom and other European countries will get a similar raise.“We are seeing a significant increase in demand, which means our labor needs are unprecedented for this time of year,” said Dave Clark, who oversees Amazon’s warehouse and delivery network.Amazon said this weekend that a surge of orders is putting its operations under pressure. It warned shoppers that it could take longer than the usual two days to get packages. It