Why is “the balkan powder keg explodes” an apt title for a discussion of the causes of world war i?

ethnic tensions made the region vulnerable to conflict.

differences in wealth caused revolutionary movements.

overpopulation inclined the region toward expansion through warfare.

diverse trade relations involved the region in external wars.

Where did the domestication of crops and animals begin?

Explain one example of how the u.s has struggles to balance energy independence and environmental

How has u.s. participation in international economic development efforts affected other countries? o a. it has made some countries decide they no longer want close ties with the united states. b. it has ended diplomatic ties with countries that refuse to participate. c. it has raised money to poor nations grow their economies. d. it has caused the united states to intervene militarily to stop human rights abuses.