How did trade bring new ideas to egypt?

The ancient Egyptians were wonderful traders. They traded gold, papyrus, linen, and grain for cedar wood, ebony, copper, iron, ivory, and lapis lazuli (a lovely blue gem stone.) Ships sailed up and down the Nile River, bringing goods to various ports. ... The ancient Egyptians bought goods from merchants.

united states reinforcements contributed greatly to three allied victories in france at: cantigny (first major american battle), argonne (the largest in the united states military history, involving 1.2 million american soldiers), and château-thierry (one of the first actions under general pershing).