American foreign policy, and any country that has a foreign policy for that matter, must always be aware of the economic tendencies that are happening all over the world. Economic hardships in one country are sure to have a domino effect on others and create a worldwide economic struggle, thus, America having the need to change direction in foreign policies if needed.
<span>The turning point is, that during the Neolithic age, most societies started to turn from hunter/gahterers into farmers and animal herders. They did not more around a lot any more. Groups became larger, flat hierarchies changed into complex ones.</span>
You can look at the body language that the cat is giving you.