spawn C2+

/spɔːn/ to produce or generate, especially in large numbers M S

expanse C2+

/ɪkˈspæns/ a wide, open, continuous area of something M S

expansive C2+

/ɪkˈspænsɪv/ covering a wide area; open and communicative in manner M S

expansionism C2+

/ɪkˈspænʃəˌnɪzəm/ a policy of extending a nation's territory or economic influence M S