Reapplying for b2 after rejection under section 214

[Junaidb]

Hi ! Guys
I am an indian applied for US b2 visa for myself my husband and my son on may 30th from jeddah US consulate ksa . but got rejected so when can we apply again
We just intend to stay for 30days at my sibling (sis) place she invited us to her house warming party
Wht should we say when VO ask what changed since ur last application
Pls help me guys

My 1st interview was like this
Me :good moning
vo: good morning
Where r u going in US
Me:dallas
Vo: do u hav any frns or relatives there
Me : yes mam my sister
Vo:since how long u hav bng here
Me :5 yrs
Vo: did u travel b4
Me:yes i went to my homeland india
Vo: no besides that ?
Me : no mam
Vo: what u do here
Me : im homemaker
Vo: ur husband
My husband answerd :m archt. draftsman
Vo :may i see ur employer letter
Showed letter

Vo: ur not eligible for visa

How to know what went wrong ?
She dnt ask any docs

[b1/b2 master]

It's harder to get a visa when you are living as an expatriate. U.S. Consular officers can be tough on third-country nationals.

It's also harder to get a U.S. visa when you have not first traveled to other places.

If you can apply when you are in India then you will probably have better luck.