the eastern and western deserts prevented invaders from the east and west. The deserts were a hard climate to travel through. Therefore, nobody could walk across to conquer Egypt. Furthermore, the cataracts in the Nile to the south protected the Egyptians from lands below them.
B. Deforestation is a way to clear land and plant more by humans but the other answers are natural things that happen in the environment.
Is that all the question, and is there any answer choices?
The answer is: Amazon Rainforest
The answer is, introducing modern agricultural methods to an ancient culture.
The number of Jews migrating to the land of Israel rose significantly between the 13th and 19th centuries, mainly due to a general decline in the status of Jews across Europe. The Jewish settlers had two types of agriculture methods which were the cooperative agricultural community and the collective community method.
cooperative agricultural community was where members worked on individual farms of generally equal size and sometimes pooled labor as well as machinery and marketing, while the collective community agriculture method land and even tools and clothing were owned jointly, and all decisions were made by the community these methods were different from the ancient culture agriculture done in Israel.
