Complex sentence: Harper's government was highly concerned to maintain Canada's competitive position of international trade which is equivalent to more than 60 percent of Canada's annual gross domestic product; one out of five jobs were created by the global market presence.
Split into simpler sentences: Harper's government was highly concerned to maintain Canada's competitive position of international trade which is equivalent to more than 60 percent of Canada's annual gross domestic product. And one out of five jobs were created by the global market presence.