intensification

US /ɪnˌten.sə.fəˈkeɪ.ʃən/
UK /ɪnˌten.sə.fəˈkeɪ.ʃən/
1.

tăng cường

the fact of becoming greater, more serious, or more extreme, or of making something do this:

:
Home sales could be threatened by the sudden intensification of the financial crisis last month.