In 1928, scottish scientist alexander fleming discovered
a. the theory of relativity.
b. penicillin.
c. atomic fission.
d. psychoanalysis.

Where did washington’s army spend a harsh and difficult winter in 1777–1778?

3key facts about the battle of britain

Ineeed the answer asap which of the following describes the link between u.s. foreign policy and the rise of islamic extremist leaders in afghanistan during the late 20th century? apex