Contradiction with Exodus 23:32
This verse prohibits making covenants with foreign nations, contradicting the request to purchase resources from them.
Exodus 23:32: Thou shalt make no covenant with them, nor with their gods.
Contradiction with Deuteronomy 7:2
This verse commands the Israelites to destroy certain nations utterly and make no treaties with them, which contradicts buying resources.
Deuteronomy 7:2: And when the LORD thy God shall deliver them before thee; thou shalt smite them, [and] utterly destroy them; thou shalt make no covenant with them, nor shew mercy unto them:
Contradiction with Joshua 9:14-15
The Israelites make a peace treaty with the Gibeonites, contradicting the prohibition of making covenants.
Joshua 9:14-15: And the men took of their victuals, and asked not [counsel] at the mouth of the LORD. [the men...: or, they received the men by reason of their victuals]
Contradiction with 2 Corinthians 6:14
Advises against being unequally yoked with unbelievers, contrasting the willingness to trade with other nations.
2 Corinthians 6:14: Be ye not unequally yoked together with unbelievers: for what fellowship hath righteousness with unrighteousness? and what communion hath light with darkness?