After More Than Four Decades,President ________ Restored the American Diplomatic

question 3

Multiple Choice

After more than four decades,President ________ restored the American diplomatic ties with
Cuba that were severed by President ________.

• A)Obama; Kennedy
• B)George W.Bush; Kennedy
• C)Obama; Eisenhower
• D)George W.Bush; Eisenhower

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Definitions:

Experimental Research Design

A scientific method in which variables are manipulated and controlled to establish cause-and-effect relationships between them.

Ethical

Concerned with or relating to ethics or the standards of right and wrong behavior.

Cause and Effect

A relationship in which one event (the cause) makes another event happen (the effect).

Placebo Effect

The phenomenon where patients experience real improvements in their condition after receiving a treatment that has no therapeutic effect.