Which is the best dated evidence that humans have been on earth for over four million years? 1 a fossil nicknamed lucy was found in east africa. 2 a specimen nicknamed ardi was found in east africa. 3 artifacts from the stone age were discovered in east africa. 4 evidence from the last ice age was found in east africa.

1 A fossil nicknamed Lucy was found in East Africa.

Explanation:

Lucy is the set of bone fragments belonging to the skeleton of a hominid of the species Australopithecus afarensis, from 3.2 to 3.5 million years old, discovered by the American Donald Johanson on November 24, 1974 at 159 km from Addis Ababa, Ethiopia.

the federalist party which advocated strong centralization dominated the united states government till 1800. so 1800 election transformed the power from one party to another party for the first time and was thus a turning point in american history. so jefferson called it "revolution of 1800".

explanation:

d is the answer. leo should include the source.