What were the means adopted by Ashoka to spread the message of dhamma?

Ashoka adopted the following means to spreads his message of dhamma:

1. He appointed officials called Dhamma Mahamatta who went to different places to spread the message of dhamma.

2. He sent messengers to Egypt and Syria with the message of dhamma.

3. He got his message inscribed on pillars and rocks so that common man can read them.

4. Officials were directed to read out the messages inscribed on pillars to those who couldn’t read.