Answer and Explanation:
The struggle for civil rights was part of a global movement for human rights because of the plurality of issues it sought to address and the similarity with the struggle of other peoples around the world. Furthermore, the most important thing was that the fight for civil rights was a reality in all countries that suffered European imperialism, becoming a movement that extended beyond the USA and established itself in almost the entire western world, making this cause a humanitarian cause and part of the search for human rights worldwide.
also called the Great Transcontinental Railroad, known originally as the "Pacific Railroad" and later as the "Overland Route"
(i got it from google)
The byzantine sided with the church and pope and they assist in the crusades they provided support to the crusaders
The answers to your question are,
1. To reduce the amount in blocks or sizable amounts - Decimate
2. Food and drink; necessary foods in order to stay alive - Sustenance
3. The ancient power structures which were cities that were fortified into independent units of strength - City-States
4. Being into nobility or of a privileged upper-class - Aristocratic
-Mabel <3