Answer:
A. They did not have the most advanced military equipment.
C. There was a lack of unity among members of various groups.
E. They were weakened by trade restrictions and blockades
Step-by-step explanation:
The difference in military equipment made the colonized country unable to defend itself in the face of the European threat. When this happen, some people decided to surrender to the European while some of them decided to fight, which divide the unity among them. Not only that, but if the majority of people refuse to follow the colony, they would be given restrictions and blockades which hurt their economy.