Irrigation of crops led to salinization of the soil, Sumer was located on a flat plain that provided no natural barriers to invasion, and the land became too swampy to grow adequate crops.
Write an opening statement that describes a policy approach for a presidential candidate<span>. ... Your job is to </span>write an opening statement that describes<span> the </span>candidate's approach<span> to solving a major issue in education: the rising cost of college. I hope this helps you out have an amazing dat!!!!</span>
Steel: 4. provided a tough, efficient building material for industrial purposes
Eli Whitney: 2. developed system of interchangeable parts; increased population
Assembly Line: 3. made putting together of goods piece by piece; increased production greatly
Steam Power: 1. enabled building of factory away from rivers; powered machines
Answer:
B is the answer i'm pretty sure. either B or A.