1. cyrus one of the few generals in history to ever conquer and occupy egypt 2. cambyses was defeated by the greeks at the bay of marathon 3. darius was defeated by the greeks at the bay of salamis 4. xerxes respected the customs and religions of the people he conquered

Cyrus: Respected the customs and religions of the people he conquered.

Cambyses: One of the few generals in history to ever conquer and occupy Egypt.

Darius: Was defeated by the Greeks at the Bay of Marathon.

Xerxes: Was defeated by the Greeks at the Bay of Salamis.

Explanation:

All of these characters were Kings of the ancient Persian empire known as the Achaemenid Empire. This Empire was founded by Cyrus the Great. This was one of the largest empires in ancient history, and at its height, it was the largest empire that had existed at that point. The empire was successful because of its centralized bureaucracy, its advanced infrastructure, its use of an official language and its professional army.

They launched more intense strikes on workers' rights.

Explanation:

Their contribution is that for the first time, they have assembled larger masses of radicals who have expressed their dissatisfaction. In the circumstances when workers worked for more than 12 hours when they were utterly disenfranchised, efforts were made to strike. They were under intense pressure, often beaten by police and robbers hired by factory owners, and continued to persevere in their struggle. At one point in the streets of New York, there were tens of thousands of workers protesting for their rights. The strikes themselves were less - more successful; what is decisive is the fact that the consciousness of the disenfranchised workers began to awaken. These events go back to the beginning of the XX century.