Who built the worlds first liquid-fueled rocket?

robert goddard

konstantin tsiolkovsky

hermann oberth

neil armstrong

The need for new trade routes to the east, the desire to spread christianity, and competition between european countries all contributed to the:

Why was the battle of gaugamela an important turning point in alexanders conquest of persian empire

What were some reasons the russian people grew to oppose world war i? check all that apply. millions had been killed. food and supplies were running out. the tsar had been overthrown. soldiers were forced to fight. industrialization was happening too quickly.