* When did the democratic ideas spread into communist areas?

According to the federal regulations, which of the following studies meets the definition of research with human subjects? a. a researcher uses the customs office’s passenger lists for ships bringing immigrants to the us between 1820-1845 to track the numbers of immigrants from certain ethnic groups.b. a researcher conducts a linguistic study of comments posted on a local public blog.c. a developmental psychologist videotapes interactions between groups of toddlers and their care givers to determine which intervention methods most effectively manage aggression.d. a researcher asks the director of a local free clinic about the number of patients in the last two years with newly diagnosed hiv/aids.

Of the 8 territories that were brought under the flag of the united states by 1853, which on do you think was the most important addition to the growth of the united states? give 2 reasons.

This territory was the site of numerous spanish missions but was severely depopulated in the 17th century by infectious disease and warfare with other indian tribes