Identify two factors that facilitated the establishment of contacts between the cost of East Africa and the outside world up to 1,500?

1. Geographic location: The East African coast was strategically located along major trade routes, such as the Indian Ocean trade route, which facilitated contact with traders and travelers from the Middle East, India, and China.

2. Maritime technology: The development of advanced maritime technology, such as the dhow sailing vessel, enabled East African coastal communities to engage in long-distance trade and establish contacts with distant regions. These vessels were able to navigate the Indian Ocean and transport goods and people between East Africa and other parts of the world.

1. Geographical Proximity: East Africa's coastline along the Indian Ocean provided a natural gateway for maritime trade with Arabia, India, and beyond. The region's strategic location allowed for the exchange of goods, ideas, and technologies.

2. Monsoon Winds: The seasonal monsoon winds in the Indian Ocean facilitated regular sailing between East Africa and the Arabian Peninsula and Indian subcontinent. These winds provided a reliable means of transportation for traders and explorers, allowing for the establishment of long-distance trade routes.