Need most informative gets brainiest

1. explain the conflict between the white settlers in arizona and the native american tribes that lived there. what were they fighting over, and how did it end?

2. what is one way that the hopi and navajo cultures are similar?

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.

What percentage of roads in germany have no speed limit?

For the united state human rights have been tied to support for