Workers were worried because many immigrants were willing to work for low wages.
a. yes
b. no

A. Yes They were willing to work dangerous jobs for low wages. 

Answer: tokugawa ieyasu (徳川家康, january 31, 1543 – june 1, 1616) was the founder and first shōgun of the tokugawa shogunate of japan, which effectively ruled japan from the battle of sekigahara in 1600 until the meiji restoration in 1868.