A & C; The crusades as a military operation failed. The Holy Roman Empire united only modern day Germany, Italy, and other countries.
In the 1830's, the voice of a young nationalist leader began to be heard. Giuseppe Mazzini founded Young Italy. It was a secret society that called for the unification of Italy under a representative government. Mazzini opposed dictators and tyrants and came to symbolize the soul of Italian unification.
Answer: A. Klan members had official and unofficial political power
Explanation:
Klan members in the 1920's had succeeded in getting into political positions and they also had political backers in various states. This gave them both official and unofficial political power and therefore made it difficult to go after them.
This was added to the fact that Klan activities in terrorizing Black Americans was not frowned upon in public by the white population of Southern America so they felt emboldened to continue.
They were very displeased and were mistreated
Ada Lovelace was tinge person who programmed the first computer
