Complex sentence: Additionally, Iman works with the Enough Project to end the global trade in conflict minerals, having played a key part in the public campaign against blood diamonds through her termination of her contract with the diamonds conglomerate De Beers over a conflict of ethics.
Split into simpler sentences: Additionally, Iman works with the Enough Project to end the global trade in conflict minerals. She played a key part in the public campaign against blood diamonds, through the public termination of her contract with the diamonds conglomerate De Beers, over a conflict of ethics.