Darius responded by sending troops led by his son-in-law across the Hellespont; however, a violent storm and harassment by Thracians forced the troops to return to Persia.
Darius responded by sending troops-in-law across the Hellespont. These troops were led by his son-in-law across the Hellespont. A violent storm and harassment by Thracians forced the troops. This was however. This was to return to Persia.