Where do I need a comma?
After returning to the United States from Canada Sitting Bull was put in prison for two years.
Just after canada?
Yes. You need a comma after Canada.
Do I need one after United States?
nope^^
No. No comma is needed after the United States.
To determine where a comma is needed in the sentence "After returning to the United States from Canada Sitting Bull was put in prison for two years," we need to identify the appropriate places to use commas.
In this case, a comma is needed after "Canada" to separate the introductory phrase "After returning to the United States from Canada" from the main clause "Sitting Bull was put in prison for two years." The comma helps to indicate the pause and provide clarity in the sentence.
Corrected sentence: After returning to the United States from Canada, Sitting Bull was put in prison for two years.