What two revolutions caused many people to feel optimistic about life at the beginning of the 1900s? a) agricultural and french b) industrial and communist c) democratic and agricultural d) democratic and industrial

Democratic and industrial D.The spread of democratic governments away from monarchies and dictatorial governments allowed greater freedom and happiness for large numbers of people. The industrial revolution supplied jobs thus creating a middle class which was in between the extreme poverty of the lower classes and the wealth of the upper classes.

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explanation:

1.the population change is near or at replacement level.

4. the birth and death rates are balanced.

6. sweden is most likely a developed country.