Complex sentence: On 15 December 1908 the ship left the port of Den Helder for Curaçao to reinforce the Dutch squadron before the Venezuelan coast, witch was present there after political tension had arisen between the nations.
Split into simpler sentences: On 15 December 1908 the ship left the port of Den Helder for Curaçao to reinforce the Dutch squadron before the Venezuelan coast. Witch was present there after political tension had risen between the nations.