I think your answer is D.) Labor Unions although if this is incorrect please let me know so I can research more on the subject.
To stop the flood of immigration
Answer:
Multidomestic strategy
Explanation:
A multidomestic strategy is an international marketing approach that chooses to focus advertising and commercial efforts on the needs of a local market rather than taking a more universal or global approach.
Because of the increase in exports of primary products and imports of cotton textiles Southeast Asia exported rubber, sugar, coffee, and tea while it imported manufactured goods from Europe and USA where industrialization was in progress.