The immediate result of trench warfare was that combatants on both sides were largely shielded from small arms and artillery fire, which prolonged the fighting and the war.
Answer: The Mexican-American War, added new lands to America creating increase sectional tensions throughout the 1850s as a divide between or an imbalance of enslaved states.
Explanation:
The main question became should slavery be allowed in newly acquired territory. This issue of the expansion of slavery led to the divide of the North and the South (eventually the Civil War).
Answer:
It was a crossroads for Asia, Africa, and Europe. Also, is was surrounded by bodies of water (Mediterranean Sea, Red Sea, Arabian See and Persian Gulf) Sea and land routes connected Arabia to major trade centers.
Explanation: