Answer:
Influx of gold and silver
From an economic viewpoint the discovery of new silver and gold deposits as well as the productivity increase in the silver mining industry perpetuated the price revolution. ... Also during this time the Spanish and Portuguese brought a large amount of gold from the New World to Europe.
A climax community in primary succession
(Brokers tried to sell stocks, but no one wanted to buy them.) Many people scrambled to buy stocks on margin. People wanted to buy stocks, but there were none left to buy.
By lowering trade barriers....I think. Sorry if it's wrong
Progressives want change and acceptance. They usually oppose war unless there is no other option.