Which of the following is not a form of forced migration?

The large connected urbane area from boston to washington, d.c. is often referred to as

In an effort to japan recover from the devastating effects of the 1929 depression, japanese military leaders in the 1930s formed an alliance with nazi germany negotiated more trade treaties with the soviet union closed its doors to western trade adopted a policy of imperialist expansion

Aside from english, what other language is widely spoken in canada?