Trade was almost impossible since states printed their own money
The interstate Commerce act of 1887 outlawed rebates,drawbacks,and pooling.
Answer:
the Big brother policy was an extension of the Monroe doctrine formulated by James g Blaine in the 1880s that aimed to Rally Latin American Nations behind us leadership and open their market to us traders Blaine served as secretary of State in 1881 under President James a Garfield.