Which war during the mid-1800s weakened the economy of the ottoman empire

The Russo-Turkish War.

Explanation:

It was a conflict between Eastern Orthodox Coalition composed by the Russian Empire, Bulgaria, Romania, Serbia and Montenegro against the Ottoman Empire. It was fought through the Caucasus and the Balkans.

It was a response of the Russian Empire to regain the territories lost in the Crimean War along with a new sense of nationalism in the Balkanic area. The coalition won the war and as a result of it the Ottoman Empire lost many territories, some in the hands of the Russian and other territories proclaimed their independence from them.

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labor leaders and organizations had the power to demand it.

explanation:

workers got a five-day workweek because the bcea protects and respect the rights of the employees. labor leaders and other groups demanded it.

europe would not recognize the confederacy as an independent nation.