The fourth period of American economy is in the 20th Century, this period has witnessed the rise of_______industries .
A: ranching
B: heavy
C: farming
D: high-tech
A: ranching
B: heavy
C: farming
D: high-tech
举一反三
- The American economy witnessed a period of prosperity in the early 20th century.
- What were the three features in the growth of American economy at the beginning of the 20th century?
- the American Romantic Period stretches from the end of the _________ century through the outburst of the ______.
- The 20th century has witnessed an enormous worldwide political, economic and cultural ______. A: transformation B: transportation C: transmission D: transition
- Colonial American literature period is from early 16th century to the middle of 17th Century.