Ahistorian wonders why an ancient civilization disappeared. he suggests that a natural disaster might have destroyed it thousands of years ago. what step should the historian take next? (4 points)

ask a question

test the hypothesis

draw a conclusion

make an educated guess about what happened

The chinese exclusion act was the first significant law restricting immigration into the united states. why do you think the us government singled out chinese immigrants in particular for exclusion?

When and why did the united states enter world war 2

Which answer best describes an advantage of shipping goods by canal? most towns would rather have canals than noisy railroads. goods could travel very fast downstream in the canal system. travelling by boat is a much more relaxing way to transport goods. heavy loads of goods could travel by boat more easily than if pulled by horses.