According to this excerpt, how will Germany benefit from invading Czechoslovakia?

Hitler wanted that heavy industrial power for the German Reich, and so his expansionist plans had had Czechoslovakia as their first target of takeover since at least 1937, when he had first ordered his generals to draw up plans for a possible future military invasion.

Explanation:

presidency should be the title

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)