1) Oil prices and economic inefficiency.
Yamani, declared that Saudi Arabia was quitting the agreement on oil production restraint, and started to boost its share in the oil market. After this, Saudi Arabia increased oil production by 5.5 fold, and oil prices dropped by 6.1 fold,
2) ethnic tensions
3) Gorbachev’s reforms
If you're asking in general then, the area has to have people who share common customs, belief and language.However, this might not entirely be true as there are some countries which have vast diversity and still portray nationalism.
Hope this helps!!
Answer: True
Explanation:
Gregorio Cortez Lira (June 22, 1875 – February 28, 1916) was a Mexican American tenant farmer in the American Old West that later became a folk hero to Mexicans living in South Texas. He ability to evade authorities as well as his impassioned words in court made him known. His life was commonly recited through border ballads where events were often dramatisized.
