1.) Flax, wheat, and barley are what they grew.
2.) Lower Egypt.
Hope this helped :)
The main cause of the second industrial revolution was, natural resources, abundant labor supply, strong government policy and new sources of power.
Some of the pull factor codes were things like the Homestead acts which were a series of acts on land allocation. For example, if you went westwards, the country would give you a huge piece of land which would become fully yours after five years of successful agricultural business.