Answer:
Both Spain and Portugal began to decline in power after 1600. This was mainly because of poor governance and political involvement in wars back in Europe.
Explanation:
At the same time, other European nations began to develop more, specially Britain, the Netherlands (which won its independence from Spain), and France. In these nations, internartional trade and exploration began to be promoted, and this naturally led to the establishment of new colonies around the world, including Asia.
Liek this, Britain, France, and the Netherlands acquired colonies in Asia, and diminished the iberian influence in the continent, which used to be exclusive up until that point.
