Answer:
Compass: Allowed sailors and navigators to find direction.
Gunpowder: Allowed us to make modern day weapons, such as guns.
Paper: Allowed us to write on a thing that can be mass produced and is efficient to use.
Explanation:
Is it the US Canada border? I don't quite understand the question, sorry.<span />
Answer:
The correct answer is C) The Tigris and Euphrates
Explanation:
A and B are not correct because Nile is totally to the west, so this can't be a correct answer.
D is also not correct because Persian Gulf is to the south in contrast to Ur.
C is correct as Ur is located in the Southern part of Mesopotamia, so when they traveled north they were moving along two greatest rivers of Mesopotamia.
It's the day of great significance in South Africa because of the two wars that they had: The battle of Blood River in 1838 between the voortrekkers and the Zulus.
Hope this helps!