Correct answer: C) France
North America is a continent geographically. It is not all under a single government.
Los Angeles has significant population and some territorial size, but its city government is not sovereign. It is under a state government (California) and a national government (the United States).
Similarly, Texas -- at this point in history -- is not independently sovereign, but is one of the 50 states that make up the USA as a true state with all the characteristics listed. There was a time in Texas' history when it was a sovereign state on its own -- during the years of the Republic of Texas, which existed from 1836 to 1846.
C; he supported an industrial nation which happened to be centered in the north.
They rationed food and did price controls and they also controlled the amount people got paid to try their best to save money to go towards the war. It did not go successfully tho