A third possible explanation could be (I do not know enough about US-Brazilian relations to know if it is plausible):
Before we thought you were an ally we could trust, so we were going to buy your overpriced jets to strengthen the friendship. Now that you have showed your true face we are going to go with the lowest bidder instead.
Saab has lost several bids due to countries buying worse planes from the US for diplomatic purposes.
Before we thought you were an ally we could trust, so we were going to buy your overpriced jets to strengthen the friendship. Now that you have showed your true face we are going to go with the lowest bidder instead.
Saab has lost several bids due to countries buying worse planes from the US for diplomatic purposes.