Which expression best explains why exploration created problems for both Spain and Portugal

Question

Large supplies of gold and silver made the colonies wealthier than Spain or Portugal
Indigenous people did not convert to Christianity, weakening their empires
High prices and an imbalance in trade weakened both nations long term
Portuguese and Spanish colonists mixed with local people, which weakened the Europeans’ power

Answer 1

The expression that best explains why exploration created problems for both Spain and Portugal is:

High prices and an imbalance in trade weakened both nations long term.

This captures the economic challenges that arose from the influx of wealth due to exploration, which led to inflation, dependency on precious metals, and trade imbalances that ultimately weakened their economies over time.