Answer:
New technologies and methods, such as improved fertilization and crop rotation, greatly increased food production.
Explanation:
This increased agricultural efficiency meant that less people were needed to work on farms and more could seek employment in growing urban industries
A year Americans spent fighting in world war 1 since the U.S joined in April 16,1917 and an armistice was declared on the eleventh month on the eleventh day and on the eleventh hour in 1918
A third type of citizen could vote and practive commerce, but could not hold office or marry