Which of the following is an example of replication?
a testing patients by giving them ther a new drug or
no drug
b. studying the effects of both therapy and no therapy
on studente
rigente
. perform five different studies of the same drug

How did the union blockade of the southern coast affect the confederacy? it forced the confederacy to build new railroads. it contributed to shortages of weapons and food. it encouraged europe to trade with the south. it halted all trade, leaving the south without supplies.

Which best explains parallel forces?

How does the battle of midway illustrate the importance of intelligence gathering and espionage in modern warfare?