Pike's expedition was to explore the lower portion of the Louisiana Purchase. The area was too large for Lewis and Clark to explore alone. Pike's expedition journeyed into the southern areas of the Louisiana purchase and into Spanish Territory. They didn't realize that they had entered Spanish territory. Unlike Lewis and Clark, Pike and his men were arrested. They were taken to Mexico City. They were then escorted back to the border. Before release they were searched for any maps or anything associated with the territory. Pike snuck a map in a telescope past the searching guards.
He wanted to make sure that everyone knew about this and no one would forget. The concentration camps were horrible and Eisenhower wanted to make sure that no one could deny the holocaust ever happened. He wanted the world to know what happened.
The answers to the question from the options given elsewhere are: - Countries paid taxes to each others - Competitions was intense for economic controls
This resulted from the need to maximize profits while ensuring economic control.The taxes and competition of course hurt other countries as well.