Hello everyone,

please i need help and some information to know about America invitation letter am currently in Tanzania and i need to get a visa ... please what are the step to take and also what are the document i need to support with Invitation letter before submit in embassy for the visa

am Nigeria currently living in Tanzania and i also have working permit here.... also how long the Invitation letter long last?

Please if you have any information to share with me.... i will be glad... thanks you..