What did the gentlemen's agreement and the chinese exclusion act have in common?

According to the 22nd amendment, a president can serve how many terms in office?

Based on the trends shown in this chart, which of the following predictions best tell about the u. s. population in 2020? (3 points) i. more than half of the u. s. population will live near an interstate highway. ii. less than one-quarter of the u. s. population will live in urban areas. iii. more than half of the u. s. population will live in suburban areas. i only iii only i and iii only ii and iii only i, ii, and iii

What from the columbian exchange had perhaps the biggest impact on the world?