List some characteristics of successful user interface designers with respect to their approach to solving ui problems

Are people more motivated to change from positive or negative experiences, like slavery, womens rights, and any other historical movements/moments? i need more factual information than opinions.

The economy of the united states is best described as

Which of the following statements about early mesopotamian civilizations is false? a. mesopotamia was one of the first places in the world where urbanization occurred. b. mesopotamian civilizations settled between the tigris and euphrates rivers. c. mesopotamia was located in modern-day china. d. mesopotamian civilizations invented the wheel.