I think the answer should be B . I think
1) At the bottom of the trench, the Romans put a layer of big stones. 2) Broken stones, pebbles,3) cement and sand to make a firm base. 4) Paving stones formed the surface of the road. These were cut so they fitted together tightly.
In March 1519, Cortés formally claimed the land for the Spanish crown<span>. Then he proceeded to </span>Tabasco<span>, where he met with resistance and won a </span>battle<span> against the natives. He received twenty young indigenous women from the vanquished natives, and he converted them all to Christianity. I</span><span>n July 1519, his men took over </span>Veracruz<span>. By this act, Cortés dismissed the authority of the Governor of Cuba to place himself directly under the orders of </span>King Charles. This was the year of the beginning of The Conquest of Mexico.
The United States shouldn't send troops to fight ISIS because of the casualties. Ground fighting will result in more casualties on the US side than it will on the ISIS side. The reason being that ISIS knows the terrain and will fight in a guerilla style warfare. If the US bombs ISIS then it will result in Innocent civilian lives lost. Which may angry to the US involvement.
The Factor Affects Congressional Approval Ratings the Most would be:
~Domestic Events A.
Hope this helps.