What's the difference between imperialism in the 16th-18th centuries and the new imperialism of the 19th and 20th centuries? help me plsss

The explorer marco polo who visited china was from barcelona luxembourg rome venice

Which of the following explains why scarcity is a basic fact of life a. demand will always be greater than supply b. technology has not advanced far enough yet c. there will always be too many people on earth d. people cannot make good allocation decisions

President lincoln needed a union victory he got it at the battle of fight near the town sharpsburg maryland