There are many ways to support and help the BLM movement grow internationally and in Canada. Here are some links and pages you can use to support the organizations: Sharing links and resources to your community is an important part as well.
Donate to Black Lives Matter Canada : https://blacklivesmatter.ca/donate/
Donate to Black Lives Matter : https://secure.actblue.com/donate/ms_blm_homepage_2019
Petitions to sign as well as different organizations you can donate to: https://blacklivesmattercanada.carrd.co/