The seven northern provinces in the netherlands formed the union of utrecht
a. true
b. false

This would be true.

The treaty was signed on January 23rd, 1579 in the Utrecht, Netherlands. The document was a formal treaty uniting the seven provinces into the Netherlands. Unfortunately it wouldn't be recognized until the Twelve Years war treaty, by the Spanish. 

Jdhdbsbsjsdv dnsjs zbx x dbdbd dbdndd