Can anyone answer this for my lil' sis Select all the correct answers.
Which two of the following achievements did the Mycenaeans make?

1. they created papyrus, which was used to keep written records.
2. they were skilled warriors who created armor and weapons.
3. they created city-states, each with its own king.
4. they conquered the Etruscans and created their own public sewers.
5.they made art using ivory from the tusks of elephants.

The Mycenaeans adopted the numeration and measurement system of Minoan Crete thus facilitating the control of production and trade. The most significant Mycenaean achievement was the invention of a new writing system, the syllabary named Linear B.

Explanation:

The Mycenaeans adopted the numeration and measurement system of Minoan Crete thus facilitating the control of production and trade. The most significant Mycenaean achievement was the invention of a new writing system, the syllabary named Linear B.

the answer i chose to believe is 'harmony'