i think it is b the time was cut in half hope it helped
Answer:true
Explanation:the confederates had won the major battle, but both sides suffered casualties.
Answers:
Arabic numerals
, they made Algebra, via Al-Khwarizmi
, they provided an expansion of geographic knowledge
, they showed a difference between smallpox and measles
, they diagnosed rabies, diabetes, gout, and hemophilia
, they were good at performing amputations and cauterizations
, and they discovered the circulation of blood and the use of alcohol as an antiseptic.