The correct answer should be both a and b
While the imperialists had guns and weaponry like that, many African people still fought with spears, which often made it easy to conquer them. Of course, there were exceptions, especially when it comes to Britain, where they just couldn't defeat the locals. Their industry didn't exist and was undeveloped.
Groups such as the Visigoths, Vandals, Angles, Saxons, Franks, Ostrogoths were tribes of people that helped bring about the collapse of rome.
Peter the Great was the first ruler to try and westernize Russia.
Factors that allowed European nations to dominate Africa and Asia included the ability to travel quickly across the ocean and the ability to carry and ship food and weapons. The shipping lanes helped the Europeans to take over almost every area they visited.
