I think it’s the second one and the third one.
I hope this helps :)
Problems with native Americans and the Mexican people. <span />
Answer:
Many hundreds of thousands of houses were either shaken down or burned in the ensuing fire touched off by the quake. The shock generated a tsunami that reached a height of 39.5 feet (12 metres) at Atami on Sagami Gulf, where it destroyed 155 houses and killed 60 people. It was bad , hope this helps , have a good day , peace
Explanation:
After the Soviets successfully detonated an atomic bomb in 1949, President Harry S. Truman ordered the creation of a hydrogen bomb project. With the help of the Polish mathematician Stanislaw Ulam, Dr. Teller developed a model for the hydrogen bomb known as the Teller-Ulam design
