Factbox: Canadian parties vie over economy, security, environment

(Reuters) - Canada will have a federal election on Oct 19. CONSERVATIVE PARTY: ECONOMY - Prime Minister Stephen Harper touts his economic record as his strongest suit, pledging to balance the budget this year despite a mild contraction in the first two quarters, and points to Europe to show the risks of high taxes and debt. The Conservative government has taken part in the war against Islamic State fighters in Iraq and Syria.