He attended a meeting of Bolshevik leaders in Petrograd.
B. People in the United States took more vacations
hope this helps
C. There are 20 marbles, and 2 of them are green, so your probability of picking out a green one is 1/10. So if you pick lots of marbles and put them back, the probability stays the same. I would say the answer is true.
I reckon B is True, too.
India was more accessible to outsiders and this was the way in which geography affect the development of India differently than in the development of China. The correct option among all the options that are given in the question is the second option or option "B". I hope the answer helps you.