Why did every single one of my answers just get deleted- Who was the first African American to earn a doctoral degree from Harvard University?(1 point)

A.
W. E.B. Du Bois

B.
Langston Hughes

C.
Louis Armstrong

D.
Josephine Baker

Answer quickly! correct answers only! how did an agricultural surplus relate to expanded trade during the high middle ages? a)trade increased because surplus crops could be traded. b)trade decreased because surplus crops were needed to feed local populations. c)trade decreased because surplus crops led to an oversupply of grains that could not be sold. d)trade increased regionally but decreased globally because trade networks had shrunk.

A. in weeks v. united states (1914), the court established the exclusionary rule, which was incorporated to the states in mapp v. ohio (1961), and the court established the concept of a "good faith exception" to the exclusionary rule in united states v. leon (1984). in their opinion, the supreme court pointed out that compliance with the exclusionary rule can have a cost to society (criminals can go free) that outweighs the benefits (stopping illegal searches by police). ultimately, the court determined that despite the exclusionary rule, evidence can still be admitted in situations where police made genuine "good faith" efforts to act legally, but technically acted illegally, in obtaining the evidence. explain the exclusionary rule good faith exception and explain and support whether you agree or disagree with the concept of a good faith exception to the exclusionary rule? why or why not? use the lesson notes and/or one news source to support your answer.

Which is the most accurate description of the executive office of the president? groups of advisers who the chief of staff groups of advisers who the president groups of advisers who oversee national security groups of advisers who oversee the economy