They encouraged people to settle because they were looking for an economic opportunity so not A and they mostly thought they were going to get rich from gold, so not B so I would say C
He wanted to secure the place of Macedonia as dominant among the Greek states, to establish peace in the Greek world, and divert Greek energy to support his upcoming invasion of the Persian Empire, without Greek uprisings threatening his home base in his absence.
Yes the Capetians improved french government
Under the Articles of Confederation, Congress lacked the authority to regulate commerce, making it unable to protect or standardize trade between foreign nations and the various states.