Canals, hope this help
after all both have to do with the distribution of water right?
A research development undertaking during WWII it produced the first nuclear weapons.
Hopes this helps
- Nahannah Muhammad
Answer:
The Maya civilization (/ˈmaɪə/) was a Mesoamerican civilization developed by the Maya peoples, and noted for its logosyllabic script—the most sophisticated and highly developed writing system in pre-Columbian Americas—as well as for its art, architecture, mathematics, calendar, and astronomical system.
Explanation:
#1 They had a highly advanced numeral system with place values.
#2 Maya mathematics was far ahead of Europe for many centuries.
#3 The had a sophisticated and complex calendar.
#4 The Maya were great astronomers.
#5 They were highly skilled architects who created structures with great precision.
The Iron Curtain was a symbol/boundary that divided Europe into 2 areas. From the end of World War 2 and till the end of the Cold War. It symbolized the work of the Soviet Union blocking itself from the West and other non Soviet areas.
I hope this helps you!:)