The merger of the two companies is projected to close by the end of 2017 and is awaiting anti-trust approval.
Large companies can influence Congress, and some fear that the fewer companies there are in a given sector, the more likely they are to get their way.
Together, Bayer and Monsanto will create the largest crop supply company in the world.
The German pharmaceutical and crop chemical company’s most recent offer to acquire Monsanto was $65 million, a 2 percent increase on its previous offer.
The U.S. Senate Judiciary Committee plans to examine proposed mergers among agricultural chemical and seed companies in a September hearing.
Despite a "sweetened" deal totaling $64 billion, the agrochemical giant rejected the new "incomplete and financially inadequate" Bayer offer.
The agrochemical giant rejected Bayer's offer, but says it's open to further negotiations with the German pharmaceutical company.
Over the past century, small-town seed businesses have given way to global enterprises. How a small seed company in Nebraska helps explain the transformation.
Bees have been dying worldwide, causing concern for global food supply. This week, the EU has taken a step to protect the bees from pesticides.
As evidence mounts for the link between neonicontinoid use and bee deaths, a group of concerned Americans is bring suit against the EPA.