Someone please help iy due in a couple min ill give brainliest !!

b.   jim crow laws were enacted in northern states.

answer: (fluidity)is the correct answer.

explanation: because of this characteristic, success on the battlefield depends in large part on the ability to adapt to proactively change events to our advantage as well as to react quickly to constantly changing conditions

because its important to learn about other countries and how high tech they are compared to us. also its good to learn about other cultures and how ours differs and in common also we need to learn about companies that we still buy since they ship it here.

not sure might be he acquired the entire oregon territory from great britain