The correct answer to this open question is the following.
Here are some similarities between the Egyptian and Kush civilizations.
Both were ancient civilizations located on the African continent. They settled in next to the bank of the Nile River due to the many benefits this represented. Both civilizations had great architects. They built pyramids and other impressive temples. Their pantheon of gods was similar. They were religious people that worshiped many deities such as the Sun. They developed good agriculture techniques and understood the crescent of the Nile to know when was the right time to grow crops. They developed a writing system that was based on hieroglyphs.