Archeological discoveries by louis and mary leakey were revolutionary because the discoveries

Me asap with these two questions about wwi 20 points will be rewarded.1. what is the significance of the battle of somme? 2. how many years into the war did it take for germany to use poison gas on a large-scale?

Which native american tribe allied with the spanish?

Which of the following describes a similarity between the american revolution and the french revolution? o a. both resulted in the creation of constitutions that are still in use. o b. both were influenced by enlightenment thinking about equality. o c. both rose out of the desperation caused by economic collapse. o d. both involved a colony revolting against an imperial government.