You are an International sportswear brand. You want to launch your campaign in several different English-speaking countries (America, UK, Australia, Canada, New Zealand) to promote your new line of sneakers. Please select all the correct strategies for your campaign.

Use the same campaign creatives for all the aforementeioned English-speaking countries.
Do extensive research on the cultures and customs of the different English-speaking countries and adapt your campaign creatives accordingly.
Create a campaign with one ad group for all of the English-speaking countries to save your budget.
Create a campaign with different ad groups that apply different creatives, bid strategies, and audience criteria for different English-speaking countries.