explain what was important about the English interventions in the Netherlands for escalation of conflict with Catholics spain

This British support was a key element of the Dutch Protestants' winning in 1609.

Explanation:

The Netherlands were under the rule of Catholic Spain. The English were interested in the Netherlands because it was a key location for trade.

When the 1572 Dutch Revolt started, seeking liberation from Spain, Queen Elizabeth supported them sending British troops, in a secret strategy to keep Spain busy enough not to endanger England.

disease was the number one killer of native peoples. they had had little exposure to the diseases of europe. this led to some villages being almost completely wiped out and some tribes destroyed.