Answer:
Because it encouraged imperialism at a time when support was dwindling
Corruption is making its way in society at an unprecedented pace as it is being accepted as a normal way of doing politics, government and business. The costs of corruption are growing not only economically, but also socially as the citizens think that it is with favours, bribery, embezzlement and nepotism that one can acquire what should be theirs by right.
Corruption is the abuse of public or private office for personal or political gain, and it is linked to fraud, tax evasion and money laundering. Corruption leads to waste and the inefficient use of resources, and it makes people dependent on favouritism and forced political allegiance to attain what is theirs. Corruption excludes the poor and perpetuates inequality.
Meriwether Lewis and William Clark helped open the American frontier to settlement by exploring the regions further out west. They mapped these territories and found accessible routes, so that Americans could move further out west and settle the land before the Europeans could claim it. There was also a smaller objective of studying the science and possible economic qualities.