To protect its oil interests in the region...
To find and remove Saddam Hussein's "weapons of mass destructions"
hope this helps
Rome managed to overcome it's difficulties with having issues in it's leading structure and the highest chain in command; namely Roman generals at the time wanted glory for themselves which prevented them from beating Carthage for some period together with the fact that Carthage had the incredible general Hannibal. After they consolidated and joined forces together, they were able to beat Carthage after a campaign of war.
England was the dominant commercial power in the Atlantic ocean in the mid-1700s. During this period, the English society contained a flourishing and more broad middling sector than any other western country. This provided a sturdy opportunity for commerce with, and settlement in, far-flung territories.
C. He believed it would help the country's financial problems.