People from other nations soon jumped in to support both sides. Hitler and Mussolini sent arms and forces to help Franco. Soviet Union sent soldiers to fight against fascism alongside the Spanish Loyalists. Horrible atrocities occurred. Air raid at Guernica killed 1,000 innocent people. Nazis were "testing" their powerful weapons
Answer:
The rough terrain blocked its extension into eastern lands. The seas kept it from connecting with northern lands. The river systems blocked passage along the trade routes. The <u>mountains forced it to follow a central route.</u>
I believe that the correct answers are 1, 2, 4, and 5. The only incorrect option is 3.
