The Barbary pirates were seizing US ships for ransom. One time with two British frigates near bye. That forced a change in Jefferson and he realized he had to have a Navy. He order the Constitution class frigates and some smaller vessels. The start of the blue-water Navy.
Explanation:
People all over the nation, even the world, responded with donations of clothing, food, and shelter. Doctors, nurses and Clara Barton and the American Red Cross arrived to provide medical assistance and emergency shelter and supplies. The Johnstown Flood was the first major disaster served by the recently formed Red Cross. Doctors worried especially about diseases that might breed in the unclean water and decaying bodies of humans and animals.
Undertakers volunteered for the gruesome task of preparing over 2,000 bodies for burial. 700 of the victims could not be identified. They were buried together in a new cemetery built high above the town. Recovering the bodies took weeks and cleaning up debris took months. Five thousand homes had been destroyed, so many families lived in tents. During recovery and relief efforts the state of Pennsylvania put Johnstown under martial (military) law, since many of the towns leaders had perished in the flood. General Hastings took charge for several months, making sure relief supplies went to survivors who needed them and keeping the press from taking over the town.
The Arab Spring in Libya deposed Gadaffi of power and began the Libyan Civil War because of the power vaccum left after the death of Gadaffi.
The answer is Erosion, which is the the gradual destruction or diminution of something -- in this case, rocks. I hope this helps! For reference/perspective, sand is the product of rock erosion, because it's really just tiny remnants of crushed rock. Those "small pebbles" could be sand, but you'd have to emphasize just how small they are -- one grain of sand is just that: a grain
Answer is C
The issue with the US and USSR was the stockpile of nuclear weapons.
They agreed to remove them from Cuba
