The Comanche were NOT from Colorado
The ice age made them very cold and travel across the Bering strait to get to Alaska so that they could then flee to Africa which is where conditions where slightly better and they would have a higher chance of living.
Macroeconomics is a branch of economics that studies how the aggregate economy behaves. A variety of economy-wide phenomena is examined such as, inflation, price levels, rate of growth, national income, gross domestic product (GDP), and changes in unemployment.
If you still don't understand I recommend watching this https://www.youtube.com/watch?v=d8uTB5XorBw
The B option, as Wang Lung, a relaxed, easygoing dentist is more close to the described type B personality, with behaviour patterns lacking competitiveness, hardwork, irritability, time consciouness and so forth. Type B personalities care less about winning or losing and have a disregard for physical and mental stress, they are more drawn to careers of creativity in opposition to multi-tasking careers.