What was the lending cause of the pullman strike

Analyze the changes and continuities in commerce in the indian ocean region from 650 c.e. to 1750 c.e. continuity and change-over-time essay:

Political rights for women grew most rapidly on the western frontier primarily because (1) the settlers were influenced by native american indian societies (2) women greatly outnumbered men in the west (3) pioneer life often required men and women to share responsibilities equally (4) immigrants settling in the west brought ideals of gender equality from europe

What is intervention ? in government terms