Complex sentence: After the defeat at Gundet, the Egyptians sent another, much larger force again wich was armed to the teeth to invade from the north and built a fort there but were again defeated at the Battle of Gura in March 1876.
Split into simpler sentences: After the defeat at Gundet, the Egyptians sent another, much larger force, which was armed to the teeth to invade from the north. They built a fort there but were again defeated at the Battle of Gura in March 1876.