"How do you define sowing discord or dividing society? If you look at most of the social advances hard won over the last twenty years, they have always caused discord and challanged society. In America, the right to bear arms has caused massive discord, same with same sex marrage, leagal marijuana, black lives matter... not to mention discussions about political leaders. In other countries similar discord is sown regarding Brexit in the UK, Aslyim seekers in Australia, Climate change. Each of these debates have been accompanied on both sides by a range of discussions with debatable facts. "

Look up "wedge issue". It's the best strategy in a two-party system. Pick one issue, make it super important so people vote for you even if they disagree with a lot of your other positions.