The Iron Curtain specifically refers to the imaginary line dividing Europe between Soviet influence and Western influence, and symbolizes efforts by the Soviet Union to block itself and its satellite states from open contact with the West and non-Soviet-controlled areas.
Actually, the answer is B "the development of the hydrogen bomb" :)
The efficient and easy transportation of raw materials and finished goods was an important reason that railroad encouraged. At present, in the United States of America (USA), around 7000 railroads are active which carries the raw material and good to the different states and places of the country.
In the United States of America, on that date of 28th February, 1827, the Baltimore and Ohio railroads became the first railways for commercial transportation of passengers and goods.
Answer:
x < 7/3
Just solve it like a normal equation... since there's division by a negative there's no need to reverse the inequality symbol
A the reason why dictators most power in europe