List the multiple cause of imperialism mentioned in this summary

Political (nationalism, to be the most powerful country by ruling many other countries).

2. Economical (to use other country's resources, recieve cheap labor, have a market for their goods.)

3. Religious (to spread their religion.)

4. Idealogical (believed that their race was better and had to civilize other people by teaching them.)

5. Exploratory (people wanted to explore new lands for mapping)