· the first Algebra book · development of the Scientific Method
· first to describe coronary circulation
· first dissection of cadavers

Historians generally agree that the first international slave trade in Africa was

answer

the statement that best describes president carter’s attempt to free the hostages in iran is c. all of the attempts failed.

explanation

the operation eagle claw conducted by the united states armed forces was a failed mission which aimed to rescue 52 americans captured as hostages in the american embassy, tehran on 24/4/1980.the mission was authorized by president jimmy carter. the failures included;   obstacles in operation that included operational conditions challenges caused by sandstorms, hydraulic problems of one the helicopters and , mechanical failure of another helicopter that was identified as a cracked rotor blade and the crashing of another helicopter during mission abortion causing death of 8 service persons.

a direct vote in which an entire electorate is invited to vote on a particular proposal. this may result in the adoption of a new law.