<span>Aerobics is freestyle or free form of exercise in adults life. Basic steps are like normal dance step and it is easy to do whenever we are getting free time. Abdomen and waist reducing and controlling fat are major reasons for doing aerobics regularly. Swing arms, rotate hands, swing leg front-back are very famous and helpful to shape our body.</span>
Answer:
Trade
Explanation:
I think trade is better because you give and get.
May I know the answer choices, so that I may help you?
Imperialism is the intention of one country to rule over another country: for example Great Britain wanted to gain control over India - this is an example of imperialism.
For this land is definitely needed : without a land, there is no "other" land to take over.
I would say that the other necessary aspect is people: the ruling country will need some local population to rule the country, if not only to translate and help them communicate with the local population.