The main reason was that the Ottoman empire was in very slow decline during these years; when other major European powers were starting to industrialize themselves. Because the Ottoman Empire couldn't keep up ,they suffered the consequences in the form of a later period of industrialization.
Answer:
The farmers in Sumer created levees to hold back the floods from their fields and cut canals to channel river water to the fields. The use of levees and canals is called irrigation, another Sumerian invention
Explanation:
In general yes, the states honored their agreement since the Articles of Confederation demanded practically nothing from the states--meaning that it wasn't hard for the states to uphold their end of the bargain.
They could only be readmitted if they ratified the 13th, 14th &15th Amendments. These amendments first abolished slavery, prohibited depriving any male equal protection under the law, & gave African Americans the right to vote.