I'm only newbie,
I'm want help you,
First open bestchange.com, and then click western union to bitcoin
After that you can choose any exchange and you can exchange Western union to bitcoin.
if you want bitcoin without buy, you can get bitcoin from faucet like freebitcoin.com or faucethub.io
With the passage of time the whole world will accept bitcoin because it is the future currency and will be compulsory. Bitcoin will take over the market in the future no matter how much time it will take, and the people around the world will enjoy the benefits of bitcoin. No need to transfer from banks, no need to convert your local money in required one and more. Angola is another example of that.