How did writing aid the expansion of trade during the bronze age?
a. it made it possible for people to negotiate and trade.
b. it made it possible for societies to develop currencies.
c. it allowed people speaking different languages to communicate.
d. it allowed people to keep records of their exchanges.

your answer will most likely be a.

the outcome of 1970 oil crisis in united states was that, they began to search ways on how to reduce oil.

in 1970 was a period when there were energy and oil crisis. those who were major centers for industrialization were forced to keep way from supplying of petroleum.

some of the result of this crisis was economic growth became stagnant because prices of oil surged.

due to the increased prices some countries like mexico and norway benefited.

the answer i chose to believe is 'harmony'