What did woodrow wilson do inportant

What kind os source would a historian use to get a firsthand account of a past event

Sanjay solved the equation below. which property did he use to determine that 7x+42=42 is equivalent to 7(x+6)=42 7x+42=42 7x=0 x=0

Who memorized the design for the water frame in order to smuggle the plans to the united states? a) james hargreaves b) edward cartwright c) samuel slater d) richard arkwright