Complex sentence: In 2004, a legislation was enacted under Canada's Pledge to Africa Act called Canada's Access to Medicines Regime (CAMR), which pledged to improve access to drugs to developing countries that lack the resources to manufacture the medications or purchase them at cost.
Split into simpler sentences: In 2004, a legislation was enacted under Canada's Pledge to Africa Act. The legislation, called Canada's Access to Medicines Regime, pledged to improve access to drugs to developing countries that lack the resources to manufacture the medications or purchase them at cost.