Advances in technology, industrialization and labor are the three areas that resulted in European countries establishing colonial empires. The correct options among all the options that are given in the question are the first, third and fourth option. Every European country wanted to establish their own colonies around the world.
The royal governor. The governor had great power over the political structure of a colony. They would decide when to call for provincial assemblies, to dissolve, to prorogue, and even vet legislation that has been passed by those assemblies. Basically the governor ensured that royal policy in the colonies was enforced.
The single event that most tarnished Ford's presidency was his decision to pardon Nixon. He also, however, presided over the worst US economy since the Great Depression.