What was most remarkable mayan achievement based on there architecture

In the 1400s, portugal’s economy was based on a. industry b. exports c. finance d. trade

Read the article titled "castro resigns." why did the us impose trade sanctions against cuba in 1962?

Islam and the arabic language spread throughout north africa in the 600s primarily through a. african traders b. american colonists c. european explorers d. middle eastern armies select the best answer from the choices provided