The school year was lengthened to 6 months and teachers were payed higher salaries.
Answer:
During the period that the Articles of Confederation were ratified, America was still at war with Great Britain. Because of that the Colonies were still trying to define themselves as a united country but struggling on how to do so.
Explanation:
WWI tanks were used to lead infantry advances across no mans land (option a ). It was a welcome development, as it was hoped it would help ending the long and casualties provoking trenches type of war.