What is one reason that northerners lost interest in reconstruction? a. the united states was about to go to war with mexico. b. northerners were focused on the political corruption plaguing the nation. c. northerners never really wanted to bring the south back into the union. d. northerners felt the job was done.

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

most people now work in jobs where they do one  kind  of work; they are carpenters, bankers, cooks, mechanics, and so forth. likewise, most  businesses produce  only certainkinds  of  goods  or  services, such as cars, tacos, or gardening  services. this feature of  production  is known as specialization.