Why did opec increase oil prices in 1973?
o
a. to add to nixon's power as president
o
b. to pressure the united states not to support israel
o
c. to protest the u. s. fighting in vietnam
o
d. to the u. s. economy

The right answer is  B. To pressure the United States not to support Israel.

Explanation:

It was an act of retaliation by Arab countries for Washington´s decision to re-supply the Israeli forces during the Arab-Israeli War of 1973 and to gain leverage in post-war negotiations.

the real answer is b

besides the fact that abraham lincoln abolished slavery, and greatly benefit black people, he had a heavy impact of the definition of what democracy was, and should be.