The correct answer is A) The civilization's ancient writing has not been deciphered.
Archaeologists and historians founded it difficult to compile extensive information about the Indus Valley civilization? because civilization's ancient writing has not been deciphered.
The Indus Valley Civilization or Harappa people is considered to be one of the oldest civilizations on planet Earth. So little has been known of this old civilization because archeologists have found a way to decipher its writing.
The Indus Valley settled in next to the Indus River in the region of Pakistan and North India. It is considered one of the oldest cultures on earth as long as the Sumerian in the Middle East and teh Ancient Egypt, settled next to the Nile River.
Dry farming occurs is areas where there is little rainfall. Mesopotamians depended on the annual flooding of the Tigris and Euphrates Rivers. This is similar to the Egyptians depending on the Nile to flood. The annual flooding was more predictable than expecting rainfall. The problem with this style of farming is that rivers move and dry up. Should a great drought occur then even the flooding won't be enough to keep crops growing.
Neithor of us agreed or liked Germany. So because of this their relationship grew stronger. Though the soviet union originally said they didn't want to fight them, they always wanted to. And the US wanted to stop them as well.