Which sentence is written correctly?
a.) ms. andrade showed us a documentary in class today because the film “focuses on a similar subject” to a book we are going to read.
b.) ms. andrade showed us a documentary in class today because the film, “focuses on a similar subject” to a book we are going to read.
c.) ms. andrade showed us a documentary in class today because the film “focuses on a similar subject” to a book we are going to read.
d.) ms. andrade showed us a documentary in class today because the film, “focuses on a similar subject” to a book we are going to read.

It is true that prior to 1914 the united states often had been disturbed by events in other continents. we had even engaged in two wars with european nations and in a number of undeclared wars in the west indies, in the mediterranean and in the pacific for the maintenance of american rights and for the principles of peaceful commerce. but in no case had a serious threat been raised against our national safety or our continued independence. what is the theme of this excerpt? a. the responsibility for americans to avoid involvement in war. b. america’s history of international involvement. c. a new kind of threat to american security. d. america’s history as a peaceful nation.

Okay can someone tell me the answer to this problem bc i have to buy it now and i don’t wanna do that

Hi how are i have some questions about english subject can you answer for me ?