The jungle terrain and bad weather made it difficult for the American forces fighting in Vietnam. This is because it allowed the Vietcong to successfully use guerrilla warfare strategies and to lay traps. Later, tunnels were found under the jungles which helped them avoid bombs
Answer:
Algebra
Astrolabe
Hard soap
Windmill
Explanation:
The Islamic Golden Age was a period in the history of Islam where its ideas and cultural movement flourished and which brought about several discoveries that were both scientific, economical, etc.
This Golden Age lasted from the eighth century, until the fourteenth century.
This period began under the reign of Abbasid caliph Harun al-Rashid when he brought scholars to translate classical texts into Arabic.
Some of the inventions which originated during the Islamic Golden Age are astrolabe, hard soap, windmill and algebra.