How did the search for a northwest passage affect the history of the Pacific Northwest? Select all that apply It led to the establishment of many land routes by early European explorers , it led to immigration to Canada, it led early explorers to sail up the pacific coast and explore the region, it brought many Russian explorers to the region, it led Thomas Jefferson to send the Lewis and Clark expedition

- It led early explorers to sail up the Pacific coast and explore the region

- It led Thomas Jefferson to send the Lewis and Clark expedition