They can catch fire easily due to the materials that are used to make them
In the headlines above, the best choice suitable in the statement is choice number four, which is the federal supremacy. The headlines speaks as a federal supremacy because it has the authority of making federal laws being considered by the people.
Literally search it up on google
The Berbers were nomads who carried goods across the desert with camel caravans.
Agriculture production improved in Europe because of better agricultural machines, fertilizers that are unharmful for earth and more farmers for agricultural production.
(by Benjemin)