Assuming that you want this simplified...


Use the FOIL method and combine like terms:


And your final answer is: 
Imperialism was basically the tension over colonies. This was a widely recognized reason for starting off WWI. Colonies were places that were taken in to control by other ruling countries. This made countries more powerful and <span>dominant, so this is linked to alliances that were made back then.</span>
Answer:there is no building
Explanation:
send the picture of building