The most divisive issue in the international economy after world war i was

The war debts and reparations were the most divisive issue in the international economy after world war I.

Explanation:

After the first world war, Germany and Russia agreed to pay war damages to the different affected countries according to the treaty of Brest-Litosvsk and the Treaty of Versailles. They paid a portion of it because it was too pay it without breaking the balance in their economies. Germany, for example, had to finance its debt three times and only until 2010 it was able to pay the re-structured assigned debt. So, they were a very worrying problem because reparations had to stop at a moment. After all, Germany didn't have the money and the countries had to stop their development because the money was not arriving. It was chaos but eventually, the reparations continued.

the constitution of the united states gave congress the absolute authority over immigration laws

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