The next year, Meares had another 70 Chinese brought in from Canton. However, shortly after the arrival of this second group, the settlement was seized by the Spanish in what became known as the Nootka Crisis. Seeking to establish a trade monopoly on the West Coast, the Spanish imprisoned the Chinese men. It is unclear what became of them,:?312? but likely some returned to China while others were put to work in a nearby mine:?196? and later taken to Mexico.:?106? No other Chinese people are known to have arrived in western North America until the gold rush of the 1850s.