What were the early highways for exploration?

- Rivers provided a natural means of transportation and exploration, allowing early explorers to travel long distances and access inland areas.

- Some notable examples include the Nile River in Africa, the Amazon River in South America, and the Mississippi River in North America.

Coastlines:

- Coastlines offered a relatively easy and efficient way to explore new regions by water.

- Early explorers often followed coastlines to discover new lands and establish trade routes.

- For instance, the Phoenicians and Greeks explored the Mediterranean Sea, while the Portuguese and Spanish explored the Atlantic Ocean.

Mountain passes:

- Mountain passes served as crucial routes for exploration, connecting different regions and allowing people to cross mountain ranges.

- The Silk Road, for example, passed through several mountain passes in Central Asia, facilitating trade and cultural exchange between East and West.

Trade routes:

- Established trade routes were often used as a means of exploration, as they connected different civilizations and allowed travelers to learn about new cultures and geographies.

- The Silk Road, the Trans-Saharan Trade Route, and the Spice Route are examples of notable trade routes that facilitated exploration.