The Russian for "campaign" is "кампания":
The Russian for "development" is "развитие":
The Russian for "eatable " is "съедобный":
The Russian for "environment" is "окружение":
The Russian for "histirocal" is "исторический":
The Russian for "possible" is "прочный":
The Russian for "sudden" is "внезапный":
The Russian for "surveyor" is "преследователь":
The Russian for "yellowish" is "желтоватый":