<span>Assuming that this is referring to the same list of options that was posted before with this question, <span>the correct response would be the "railroad," since rail travel allowed for people and supplies to move to the west at an unprecedented pace. </span></span>
Debris seems like it fits well <span />
Greece is the third largest producer of olives
Greece is home to more archeological museums than any other country in the world
Greece is one of the sunniest places in the world
Many former slaves still were unedumercated and needed to find jobs this lead to a legal form of work known as share cropping (tending to crops for a portion of the crop or a low wage pay)
The Strait of Malacca, which runs between Indonesia, Malaysia and Singapore, has long been a major gateway for trade to and from Asia, and is the world’s second busiest waterway.
The Suez Canal between the Pacific and Indian Oceans, opened in 1869 reducing the distance between Europe and the Far East.
Strait of Malacca, the shortest sea route between African and Persian Gulf supply’s the Asian markets.
The Panama Canal
The Strait of Malacca and Straits of Sunda and Lombok near Asia.