What was one of the reasons the League of Nations was weak? 1. Russia never joined
2. The membership dues were very high and countries could not afford it
3. They only met once a year
4. The United States never joined

these the citzens and goverment come to terms some of the amendments gave the states more power then the goverment and some protocted americans rights

interdependence is when all participating groups and individuals depend on each other. if you depend on one anothers goods, you end up trading in order to get the items you're looking for. (for ex: if i have food and you have water, we trade in order to depend on each other to live)

2018 means 2018 ce or common era

there have been other eras too including bce, which included way more years.

sense of self-interest