Complex sentence: When the Yukon was created as a separate territory from the Northwest Territories in 1898, the Supreme Court continued its jurisdiction over the territory as prescribed by the "Yukon Act 1898".
Split into simpler sentences: When the Yukon was created as a separate territory from the Northwest Territories in 1898. The supreme court continued it's juristiction over the territory as prescribed by the "Yukon Act 1898".