Miguel Hidalgo y Costilla was a Mexican Roman Catholic priest who played a crucial role in the Mexican War of Independence from 1810 to 1821. Hidalgo is well known for his "Grito de Dolores" ("Cry of Dolores") speech, in which he demanded the end of Spanish colonial control in Mexico.
This is not the best answer but i hope it helps :/
Studying classical works:
is a wide-ranging degree devoted to the study of the literature, history philosophy, languages and archaeology of the ancient green and Roman worlds.
preserving classical works:
The preservation of what classical latin works that we do possess was entirely down to the Christian Church. it helped in a number of ways.!
tip: when it says “what’s the difference between these” research each one individually other than saying what’s the difference, normally an answer won’t come up. lmk if i helped you :)
the spread of Christianity
The "long march" of China was led by Mao Zedong so its C.
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pls tell the question clearly