Which Statement Best Describes the Expansionists' View of the Need

Which statement best describes the expansionists' view of the need for acquiring overseas colonies?

A) Their motive was strictly commercial in nature.
B) Their overriding concern was for national security,as overseas markets held little value.
C) They wanted to beat the Europeans to Asia and Africa,which had yet to be colonized.
D) They were concerned that Americans were becoming over-civilized and effeminate and needed a new challenge after closure of the western frontier.