sentences:  Russia also declared war (August 1700), but stopped short of an attack on Swedish Ingria until September 1700.Charles's first campaign was against Denmark–Norway, ruled by his cousin Frederick IV of Denmark, For this campaign Charles secured the support of England and the Netherlands, both maritime powers concerned with Denmark's threats to close the Sound.Leading a force of 8,000 and 43 ships in an invasion of Zealand, Charles rapidly compelled the Danes to submit to the Peace of Travendal in August 1700, which indemnified Holstein.