What were the clergy selling so people could lesson their time in purgatory in the renaissance

Did the spanish settlers and missions have a positive effect on world history? why, what did they do that was positive? why was the treaty of paris (1763) good for the world/world history? did the plymouth colony have a positive effect on world history? why, what did they do that was positive?

What was a major failing of the united states government under the articles of confederation?

Why was there a crisis in the savings and loan industry? how much money was lost and who paid for it?