Who were the Buffalo Soldiers? a) Native American nomadic warrior tribes who followed the buffalo.
b) Native Americans who took the buffalo as their war spirit guide and fought in buffalo hides.
c) Native Americans who fought to protect the buffalo from settlers.
d) African American soldiers who fought Native Americans and bandits on the Plains.

to act quickly in times of danger to the united states

because you have to act quickly if you want to live/survive.

ww1 weapons: tank. tanks were used for the first time in the first world war at the battle of the somme. they were developed to cope with the conditions on the western front. the first tank was called 'little willie' and needed a crew of 3.