I think it is B. James Watts more Efficient version of the steam engine
The Whig Party were a group that believed that Jackson ruled like a king. They blamed Van Buren during the Panic of 1837 and in 1840 William Henry Harrison won the presidency.
Answer: b
Explanation: reforming the civil service and establishing the United States Civil Service Commission.
Answer: The views of Booker T. Washington and W.E.B. DuBois differed in that Washington advocated a gradual approach to racial equality, and DuBois advocated rapid change.