Answer:
The adoption of the 14th Amendment in 1868 guaranteed citizenship to those born or naturalized in the United States, including former slaves. Black Americans would face subsequent challenges to their civil and political rights, but the 14th Amendment ensured that they would never again face the threat of removal
1. We can combine sentences with an adjective if they are talking about the same noun.
Adjectives modify nouns.
2. We can combine sentences with an adverb if they are talking about the same action.
Adverbs modify linking verbs and action verbs.
3. We can combine sentences with a prepositional phrase if they are talking about the same location.
Prepositional phrases show where an noun is. In other words, it shows the location of the noun.