I believe they were used to spread Christianity
Answer:
I was confused by chosing between two first options but then I've realized which should be the right one. The only one option that suits to be the major cause of the post-war recession in the United States is the third: 3. transition from wartime production to peacetime production
Explanation:
Am irregular verb means that the different forms of the verb will differ and will not follow a regular pattern,
The pattern here should be:
I VERB, I VERB-ed, I will VERB
the first three options follow this pattern, so they are regular,
the correct answer is D. it is irregular: the past tense form is irregular.
