Why was the US detonation of a hydrogen bomb in 1952 and the Soviet detonation of one in 1953 significant?
It signaled that the Soviet Union was spying on the United States.
It was a sign that the United States was better at producing dangerous weapons.
It was a sign that the countries would soon threaten each other with war.
It signaled that the arms race was producing stronger, more dangerous weapons.

Which of the following statements about this graph is accurate? world grain production has increased in every year since 1950. the amount of grain grown between 1950 and 1980 decreased. world grain production has generally increased between 1950 and 2010. more grain was grown in 1950 than in any other year.

Which group was responsible for determining the borders of african colonies and later countries

Which of the following statements occurred last in the official overthrow of the russian provisional government in october of 1917? the bolsheviks campaigned for support of their political platform. the bolsheviks organized an assault and stormed the winter palace. the bolsheviks and trotsky’s militia seized key targets in petrograd. vladimir lenin established himself as the leader of the bolsheviks. i know the answers a and d are inccorect.