<u>Answer:
</u>
In most cases, a U.S. researcher affiliated with an academic institution, proposing to conducted funded research outside of the U.S., must have the approval of an IRB from both the researcher's U.S. institution and an equivalent entity within the host country.
<u>Explanation:
</u>
- It is mandatory for a researcher from the United States willing to conduct research within or outside the domestic boundary of the United States to have the approval of the Institutional Review Board of the institution that he is working with.
- If the researcher is willing to conduct research specifically outside the domestic boundaries of the US, he is required to form a collaboration with an institute functioning in the country of research and get an approval from the Institutional Review Board of that particular institute along with the approval of the IRB of his native academic institute.
The answer to your question is A. "Others weren't so lucky. In the rush and panic, a number of people either lost their footing or were accidentally pushed from the sidewalk and into the busy street."
<span>The blitzkrieg was the tactics employed by the German Army
during World War II. It use of swift
mobility by utilizing ground troops together with armored tanks supported by
air power in the skies. It is through
bombardment from both tanks and artillery from the ground to open up enemy
defenses supported by fighter planes that would bomb and destroy enemy aircraft
on the ground and give support the infantry as the troops moved in to overwhelm
the enemy. Geographical factors that
would determine the success of a blitzkrieg would be a flat, open terrain with
solid ground with no obstructions. There
are times when rain would be a factor for it would turn the ground into mud
making difficult for tanks and trucks to move forward. Rains and storm also prevent fighter planes
to take to the air and provide support to ground forces. Though in their invasion of France, the
Germans successfully managed to cross Ardennes through the forest by chopping
the tress , making it easier for their tanks and trucks to pass through.</span>