"Political contributions" refers to the act of giving money or resources to support political candidates, parties, or causes. It is a way for individuals, groups, or organizations to financially back and aid those involved in politics.
The ruling also allows gay couples to make political contributions from the same bank account, even if only one spouse has an income. (nystateofpolitics.com)
We'd have a Muslim ban, a 100 % tax on incomes over $ 100,000, a guarantee of free healthcare, a ban on political contributions by corporations, etc.. (politics.stackexchange.com)