Answer:
(Sorry it took so long I wanted it to be accurate)
Step-by-step explanation:
Great Britain, France, Germany, Russia, and the Netherlands colonized in this era. Later in the 1900s The USA and Japan joined in the imperialist power. Their motives: desire to gain power and compete with other countries and to boost national pride and security. Benefit: Colonialism contributed for the industrial growth of the mother country. Drawback: It was an unfamiliar government system. The last question is made for you and your opinion. Hope this helps!! :D