The war Military_operation gave Giving impetus to the U.S. policy of Indian removal , in which Native American tribes were pressured Causation to sell Commerce_sell their lands and move Self_motion west of the Mississippi River and stay Temporary_stay there .

It was the initial impetus Motion for many of the other protests which followed throughout the country .

Growing Expansion impetus for the construction of a railroad connecting Philadelphia with the Lehigh Valley resulted in the incorporation on April 8 , 1852 , of the Philadelphia , Easton and Water Gap Railroad Company .