Which civilization was responsible for building the structures described in this text?

some of the earthworks were large burial mounds, others served as platforms for structures such as temples, and still others served as defensive walls. mounds were usually cone-shaped, oval, or formed into the shape of an animal.
a) adena
b)inca
c)maya
d)olmec

"“forty or fifty years ago, many people thought that simply transferring technologies from industrialized to developing countries would close the technology gap. now we know that technologies developed in industrialized countries may not be suitable for use in other environments. they may require a particular type of infrastructure to operate. they may need specialized parts or knowledge to mend when they break we now understand that innovative capacity must be built in different ways." - united nations secretary-general ban ki-moon based on the secretary general's comments, which of these would be most important for a country to improve? a) native literature b) transportation grid c) cultural traditions d) construction styles

Which legal case forced the university of maryland to admit an african american student to its law school?

What did economist john maynard keynes believe about deficit spending?