The main reason the american government refused to ratify the kyoto accord on climate change is that they

Potential damage to the US economy required by compliance.

Explanation:

President Bill Clinton signed the agreement in November 1998, but the US Senate refused to ratify it.

for (a) a tragedy was considered a main greek drama and it influenced alot of others. for (b) the actors in greek theater were named as aeschylus, sophocles, and euripides and sometimes playwrites. for (e) in a semi-circular theater called the "orchestra.". we'll the question was explain where the namer actors originated.

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