Please my uncle who base in the state wants to give me invitation this yr Xmas...but am a student in the Nursing college ,my dad is a lawyer nd my mum owns a car shop my broder who has promised to be my sponsor is loan officer ,pls do i have a strong tie to boost the chance of gettin the visa? And what documents shuld i get ready to arrange for myself, because i lack travel history,though am having togo nd ivory cote stamp on my passport