A society begins using a writing system it learned from traders who came from a distant region. What is this spread of a way of doing things from one society to another called?

Buddhism began in South Asia and spread into Central Asia and East Asia over the first several centuries CE. Which travelers most often carried it along the overland routes?

Papermaking was practiced in China for centuries before the technique appeared in Central Asia and the Islamic world by roughly the 700s-800s CE. What changed for record keeping there?

The decimal place-value number system with a symbol for zero developed in South Asia. Through which group did knowledge of it mainly reach Europe?

The magnetic compass was in use for navigation in East Asia by roughly the 1000s-1100s CE and later appeared on Indian Ocean and Mediterranean ships. How did it change sailing?

Gunpowder weapons were used in East Asia before knowledge of them spread westward across Eurasia during roughly the 1200s and 1300s. What best explains that westward spread?

Sugarcane, cotton, and citrus fruits were grown in South and Southwest Asia before being planted widely around the Mediterranean in later centuries. What kind of diffusion is this?

From about the 800s CE, scholars in Baghdad and other centers translated Greek and Indian works on medicine, astronomy, and mathematics into Arabic. What was one long-term effect?

Writers in Japan, Korea, and Vietnam borrowed Chinese characters and changed them to fit their own speech. Diffusion in this example affected which part of culture?

A society adopts a tool or technique that reached it from far away. What commonly happens to that technology after it arrives?

Archaeologists digging at an East African port find pottery made in China and coins minted in Southwest Asia. What does this evidence best support?

In the mid-1300s an epidemic disease spread across large parts of Afro-Eurasia within a few years. Which condition best explains how it reached so many regions so quickly?

Historians estimate how many people died in the mid-1300s epidemic in Europe. Which kind of record from that time do they mainly rely on?

After the mid-1300s epidemic, many parts of Europe had far fewer workers than before. What was one common result for the laborers who survived?

In the late 1300s some Mediterranean port cities held arriving ships and crews apart for a set period before letting anyone come ashore. What is this practice called?

Islam spread into coastal East Africa and Southeast Asia in the centuries after about 700 CE. Which group most often carried it to those port communities?

In Central Asia, archaeologists find Buddhist sculptures carved in a style that borrows features from Greek art. What does this blending most likely indicate?

Printing from carved wooden blocks was used in East Asia for centuries before printed books became common in Europe. What did block printing change where it was adopted?

Soldiers return from a long campaign in a distant land and bring home a style of armor they saw the enemy wearing. Which channel of cultural diffusion does this show?

The epidemic of the mid-1300s reached inland towns that lay far from any seacoast. What carried it into those interior regions?