Answer:
The non violent protests weren't working for them.
Explanation:
I mean it makes sense right? If something your doing isn't working you'd change it up.
Spain needed the money. Your answer is also correct. You could also say that Spain knew they had a weaker military than the US.
Answer:
to encourage the growth of religious institutions
The domino theory was believed that if one country went communist, the rest of the countries around them would also join them and be communist. In the vietnam war however, the domino theory was the basis of containment for the United States. This containment strategy was to stop communist aggression in South East Asia. I hope this helps!