2020 Democratic presidential candidate and writer Marianne Williamson Marianne WilliamsonMarianne Williamson discusses speaking at People's Party Convention Fewer people watched opening night of Democratic convention compared to 2016 Marianne Williamson: Democratic convention 'like binge watching a Marriott commercial' MORE on Tuesday put forth a foreign policy agenda that emphasizes "peace-building" and a return to global agreements spurned by the Trump administration.

"We will re-enter the Paris climate accords as well as the Iran nuclear deal," Williamson said at the World Affairs Council of New Hampshire, according to her prepared remarks.

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The author and spiritual adviser also promoted the use of "soft power" rather than "military might" to deal with international conflicts.

"We will not deploy soldiers unnecessarily. We will champion peace-building approaches to international conflict and atrocity prevention in hotspots around the world through mediation, diplomacy and effective on-the-ground programs," she said. "We will provide humanitarian aid. We will support frameworks necessary for democratic processes to take root and flourish."

Williamson slammed what she called the "reckless foolishness of the military-industrial-complex" and said as president, that she would establish a U.S. Department of Peace and that peace-building would be her highest priority.

"The same holistic paradigm that has transformed our view of physical health can be applied to our societal health," she said. "Active peace-building measures reinforce the social health of our planet the way good nutrition and exercise reinforce the physical health of our bodies."

"Love of our fellow human beings, not fear and domination, should guide America’s foreign policy," Williamson added later in the speech.

Her remarks come amid escalating tensions between the U.S. and Iran, as the Trump administration has blamed attacks on two oil tankers on the Middle Eastern power. The Defense Department announced Monday that it would deploy 1,000 troops to the Middle East.

Williamson is among two dozen people vying for the Democratic Party's 2020 presidential nomination.