The Oldest Active Navy Ship Is A Century Old Russian Submarine Tender. For what it lacks in beauty it sure makes up for it in character, Russia's 100 year old Kommuna is the world's oldest active naval vessel. Launched as a submarine tender back 1915, this pre-Bolshevik Revolution relic continues to serve as a salvage ship and midget sub tender as part of Russia's Black Sea Fleet.
3. Cinnamon. The third answer to how to cause a miscarriage is cinnamon. Cinnamon is a naturally occurring abortifacient (a substance that causes miscarriage). When taken in the correct dosage, it causes uterine stimulation.
Most miscarriages occur during the first trimester of pregnancy. The most common cause of miscarriage is chromosome problems in the embryo. Signs and symptoms of miscarriage depend on the person and the timing of the loss. Of note, a sign is something that is evident to an observer. A sign is objective.