What causes variations in climate and vegetation in most of the united states and canada

the growing interconnectedness of the world through communication, trade, and the exchange of ideas is an important theme in the history of the 20th and 21st centuries.

explanation:

1(a) traditional methods of production are upheld.

2(d) to convert private property to state-owned property

3b) feudalism

5(a) question

6(c) to preserve the past

7(d) the opportunity to make a profit

8(b) get paid by the government

could not do 4 sorry. . hope this

declare war, appoint military officers, sign treaties, make alliances

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