It teaches the followers how to attain Nirvana.
It also teaches the four noble truth and the noble eight fold path
four noble truths:
1. suffering is universal = no one is exempted from experiencing it
2. the cause of suffering is selfish desire = if you desire to have something, you have to work for that.
3. one can end suffering by eliminating desire = the less your desires are, the less your suffering is.
4. one can attain Nirvana by following the noble eight fold path
eight fold path
right decision, right action, right livelihood, right speech, right conduct, right meditation, right mindfulness, right effort
by the way, Buddhism is based from Hinduism. that is why it also teaches the followers how to escape from endless cycle of rebirth.
No
Buddhism
That Buddha was a god
No, belief of Buddhism are completely different from teachings of Bhagwat Geeta. Bhagwat geeta teaches man to do his duty no matter the cost, while Buddhism teaches peace and nonviolence.
virtue and compassion
You are referring to the concept "paramatma" or "atman". Every thing that has a begining has an end. Everything ceases. There is nothing permenent, so there is nothing eternal. Buddhism disagrees on that there is something that goes out after death or comes in on birth. But there is reincarnation, until one attains Nirvana, the ceassion of re-incarnation. Buddhism teaches the way to attain this exactly.
buddhism
It is a teacher of the Dhamma/Dharma. Basically, someone who teaches Buddhism to others.
In a word reincarnation, Buddhism teaches that we are continually reborn into circumstances that we have created.
It teaches us to be kind, generous and compassionate to all beings.
There is no one leader of Buddhism. Each monastery, temple or sangha (spiritual community) may have their own master who guides and teaches their local community.
Ashoka converted to Buddhism out of remorse for his conquest of the Kalingas. He witnessed a lot of bloodshed and cruelty so he wanted a peace of mind. Buddhism teaches love, peace, and tolerance.