I think the answer is metal
In general when they need to get done with their basic requirements or their needs they fight for that if the authority didn't respond proply..
sequence like salary incresment.
then the Labour union strikes to win their requirement.
Answer:
In 1818, the United States and Britain agreed to occupy Oregon Country jointly. Spain and Russia had few settlers there, so they withdrew their claims to Oregon Country region's vast forests, trapping animals and living off the land. They were known as mountain men
The USA developed the more powerful H-Bomb because it would be more powerful than the atomic bomb and it wold give the USA advantage over Russia and their nuclear bombs.
The third opinion is the correct one
