HELP I need the answer ASAP (history)

Besides freeing slaves, harriet tubman served her country in what three ways? a. spy b. secretary c. scout d. artillery supplier e. nurse

What led to the environmental damage that caused the dust bowl? 1. desert winds emerging from the southwest 2. rotating crops every year and having fallow land 3.overplanting throughout the great plains 4.a year-long drought

The term globalization is best defined as: a. a reduction in the political and military power of imperial countries over their colonies. b. an increasing interaction among citizens and businesses of countries around the world. c. the spread of philosophies based on the right of all nations to political independence. d. the establishment of international laws protecting all people's human and civil rights.