Answer: A. drought
Explanation:
It is A because their environment changed alot so it was difficult to grow corn and so the migrated south where it rained more.
Answer:
the Hebrews was put into slavery
Explanation:
God use Egypt to show the Hebrews what would happen to them if they fail to obey Him and follow His laws, without His protection they would back slide and go into servitude.
Canning was unsustainable because the process back then was labor intensive; the process was still undefined, and the materials are very primitive. The cans used were corked and sealed with lead which led it to be hazardous