Answer:
I would say to not repeat any mistakes and to understand others familys Explanation:
Im Pretty Sure The Answer Is B Because You Find Those In Most States In America
Before the panama canal people from East coast of America who wanted to go to Asia had to either sail around south America which took months or sail towards Asia and go around Africa which took even longer. The panama canal was a short cut right in the middle of central America which cut navigation time in half. Hope I helped. :)
I'm pretty sure it was the Julian calendar so Julius Caesar
Answer:
either d or b and I'm also doing a test right now with the same exact question