Yes, it is true that the progressive income tax was aggressively sought by the Populist Party, since they thought that this would free the common man from financial instability.
On 28 August 1963, more than 200,000 demonstrators took part in the March on Washington for Jobs and Freedom in the nation's capital. The march was successful in pressuring the administration of John F. Kennedy to initiate a strong federal civil rights bill in Congress.
To not be owned by England anymore
The Normans were anti-slavery. Rather than enslaving prisoners, they worked out they could make a tidy profit from ransoming them. The Normans built all the Romanesque cathedrals in England.