Complex sentence: Trump felt Apex's ad, mainly based on Raj's ideas, was frightening and seemed like life in a police state.Despite this he and the other candidates defended him as it was the only idea they had for the task since Elizabeth threw away all other ideas.
Split into simpler sentences: Trump felt Apex's ad, mainly based on Raj's ideas, was frightening and seemed like life in a police state. Despite it being Raj's decision the other candidates defended him as it was the only idea they had for the task since Elizabeth threw away all other ideas.