Networks of Exchange (1200-1450)

They facilitated seasonal travel between regions.

They discouraged any form of sea-based commerce due to unpredictability.

They caused widespread destruction resulting in halted trade for years at a time.

They had no impact because traders used rowing vessels unaffected by wind patterns.

GPS systems

The compass

Sextants

The astrolabe

It eliminated slavery entirely from participating regions because of ethical principles spread through cultural exchange via commerce.

It caused rigid caste systems within India itself due to increased emphasis on occupational specialization related to maritime tradesmen jobs.

It facilitated a merchant class's rise that often transcended traditional ethnic and social hierarchies within port cities.

It led directly to egalitarian societies by promoting uniform wealth distribution among all socioeconomic classes involved in trading activities.

It resulted in complete disruption of commerce each year due to severe weather

They led to an overall decrease in cultural interaction because of unpredictability

Monsoons prolonged travel times excessively, making it difficult to maintain regular contact

Increased predictability that enhanced scheduling contact between diverse societies

Cocoa from South America exclusively.

Tea from China alone.

Spices from Southeast Asia and India.

Gold from Africa only.

They established standardized currencies used throughout all ports within Indian Ocean trade.

They acted as commercial hubs linking African interior goods and gold with merchant communities from Asia and beyond.

They focused exclusively on agricultural exports, thus limiting engagement in international markets.

They served primarily as military outposts securing safe passage for Asian merchants against local pirates.

They led to the invention of advanced navigation tools.

They enabled predictable sailing schedules.

They caused most sea routes to be abandoned for land routes.

They discouraged long-distance sea travel.

The lateen sail, which allowed for better navigation against the wind.

Reinforced hulls with iron nails, improving durability but not sailing efficiency.

Multiple masts on dhows, which increased cargo capacity but not maneuverability.

The sternpost rudder, primarily used by Chinese junks in East Asian waters.

It caused a complete halt in trade due to religious conflicts.

It reduced trading activities as traders converted to isolationism.

It had no significant impact on the trading activities in the region.

It led to an increase in trading activities due to Islamic expansion.

Dense forests made overland connections difficult.

Natural harbors provided safe anchorages for merchant ships.

Wide river mouths allowed for inland navigation by sea vessels.

Steep cliffs impeded access to hinterlands from ports.