The answer is C (word war 1) because world war 1 led to the end of the Ottoman Empire :)
Carbon Cobalt. Cobalt is an important ferromagnetic metal. For over 100 years, cobalt's excellent magnetic properties have helped develop a variety of applications. Cobalt can be used to produce soft as well as hard magnets.
It always subducts.
Is thicker than Continental Crust.
Mid Ocean Ridges are formed there.
Is under water.
Answer: In October, the U.S. Senate ratified the purchase, and in December 1803 France transferred authority over the region to the United States.