What is believed to have allowed ancient people to migrate to north and south america?

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

Abird conservation society has a database of every bird spotted by members in the past year. to make this data part of a gis would require tying each sighting to

Germany was unified as a result of a series of wars. which ofthe following wars was the last and resulted in the formation ofthe german empire? austro-prussian warbfranco-prussian wardanish war