Answer:
1. a 2. c
Explanation:
sorry that this was yesterday and you didn't get your answers
It was formed after WWI to keep peace.
The League of Nations failed soon after because the US didn't join.
I think we have two different holidays for them because they honor 2 different events in history .
The principle of Yin and Yang is that all things exist as inseparable and contradictory opposites, for example, female-male, dark-light and old-young. The principle, dating from the 3rd century BCE or even earlier, is a fundamental concept in Chinese philosophy and culture in general.
Trans-Saharan trade requires travel across the Sahara between sub-Saharan Africa and North Africa. While existing from prehistoric times, the peak of trade extended from the 8th century until the early 17th century. ... Cattle were introduced to the Central Sahara (Ahaggar) from 4000 to 3500 BC.