Portugal began to show much more interest in brazil once
a) cattle ranches became more common.
b) slave revolts were suppressed in the region.
c) profitable sugar plantations were established.
d) britain's defeat of the spanish armada made colonization possible.

What was different about warfare in the early 1800s and early 1900s?

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.

Article 11 of the constitution defines the role of?