Answer:
Andorra.
Explanation:
The French president is considered one of the princes of Andorra. This started way earlier in the 21st century during the medieval era; and continued till today by the the land locked Andorra between Spain and France. The other prince here is the bishop of Urgell.
Concrete is not a crystal.
A stem-and-leaf graph is a way to organize a large number of data
The Senate rejected the Treaty of Versailles based primarily on objections to the League of Nations. The U.S. would never endorse the treaty or join the League of Nations. The U.S senators, headed by Senate Majority Leader Henry Cabot Lodge, opposed the treaty because they felt the U.S was giving up too much power under the League of Nations.