1) is it correct to use surah Yusuf verse 108 as proof that dawat of iman must be given . I am referring to tabligh Jamat
2) during the time of treaty of Hudaybia till the conquest of Makka Muslims increased from 1500 to 10000 , is this increase due to aamaal of dawat , taalim , Ibadat , khitmit ?
3) is it correct to say these were aamaal alive during the prophet (SAW) time in his masjid in Madina
4) is it correct that during the khilafat of Umar (ra) Muslims reached territory from the border of china until south of France