GIVING BRAINLIEST

What reason did Al Qaeda give for attacking the United States on September 11, 2001?
A. Al Qaeda wanted to blackmail the United States to get money.
B. Al Qaeda did not like Americans using so much oil.
C. Al Qaeda did not like American influence in Muslim lands.
D. Al Qaeda wanted revenge for Saddam Hussein being overthrown.

Awaiver of the requirement for documentation of informed consent may be granted when: the investigator has no convenient place to store signed consent forms separate from the research datathe only record linking the subject and the research is the consent document and the principal risk is a breach of confidentiality.potential subjects might find some of the research questions embarrassing, personal, or intrusivethe subjects are literate in their own language; however, they do not read, write, or speak english