Answer: Balance of the tax system and public spending and progress in the field of science and technology.
Explanation:
The period after the Second World War meant an extremely difficult economic situation in the world, except in the United States. That is primarily the result of the suffering caused by the Second World War. According to many historians, the United States has never had such a stable economy before in history. Enormous credit certainly belongs to President Eisenhower's administration, which led to a perfect balance in the tax system and public spending in the country.
The economy has benefited tremendously from the growth of consumption at all levels, and the whole story includes a large number. The country's economic rate increased by an incredible 37%, and the purchasing power of the average American family before the end of the 1950s was higher by 30%. It is very important to note that it was the period of the Cold War that led to advances in technology and science. In such circumstances, the quality of life in the country will inevitably improve.
Congress would not ratify the SALT II treaty because D) The Soviet Union invaded Afghanistan and C) Russian combat troops were found in Cuba. Because of these two reasons Congress did not ratify the treaty. Six months after signing the treaty, the Soviet Union invaded Afghanistan and the United States discovered that there was a Soviet Union brigade stationed in Cuba which led to the treaty not being ratified.
D. Great Britain.
Source: My World History Textbook
"Great Britain, which long opposed construction of the canal for fear that it might fall into enemy hands, benefited more than any other nation... Instead of making Egypt powerful and independent, the Suez Canal provided the excuse for a British invasion and occupation of that country."
I think it was C hope this helps