Which of These Would Be Representative of the Structural Level

Which of these would be representative of the structural level of the analytic framework involving Bill Clinton's decision on gays and lesbians in the military?

A) Higher levels of education among the population increases toleration of alternative lifestyles.
B) Urbanization creates enclaves where gays and lesbians build communities, create social networks, and develop economic and political resources.
C) The individualistic component of American culture and the Fourteenth Amendment to the Constitution favor a nondiscriminatory environment.
D) The strongly religious component of American culture is also the foundation for widespread antihomosexual attitudes among religious conservatives.
E) All of the above are part of the structural level.