I honestly don't remember but I think that you either have to confirm a payment method to verify your account and make sure you have a bank or card attached to your wallet or you need to check your email to see if they sent a verification email, or just do both.
You can't add a local bank account / debit card in your country. You can only link a visa credit card.
The option to receive Paypal payments is sadly not available in Uganda. You can only send payments for purchases funded by your (confirmed) credit card.
Paypal varies a lot country to country and can only offer the services that the banks / governments of that country allow it to offer. There are quite a few countries unable to receive Paypal payments.
