Multiple factors were involved in the decision of exploration of Mars.
Mars is similar to Earth in size and it is the next planet. Moreover, evidence was present to suggest that liquid water existed, and may possibly still exist, on Mars. All of these factors led to the planet's exploration.
D) the Japanese emperor declared himself the head of Shintoism to unite people in isolated parts of Japan
The United States emerged as a leading world power after world war I due to the treaty of Versailles. This is my best answer. I hope this helps! :)
Answer:
C.It gave them rich soil to grow food
Explanation:
The river is water and with water you can have rich soil due to the good water back then and you can grow really good food when you have good soil.
I hope it helps
Answer:I think the answer is nature
Explanation: I am not sure I had never done this question. If I got this answer right or worng pls say this is the worng answer.