It led to the fall of the Achaemenid Empire and gave Alexander room to expand eastward.Hope this helps.
Answer:The Edwards Plateau is a geographic region at the crossroads of Central, South, and West Texas. It is bounded by the Balcones Fault to the south and east, the Llano Uplift and the Llano Estacado to the north, and the Pecos River and Chihuahuan Desert to the west.[2] San Angelo, Austin, San Antonio and Del Rio roughly outline the area. The southeast portion of the plateau is known as the Texas Hill Country
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The correct answer is educate their sons