English Language · Para Jumbles

Sentences of a paragraph are given below in jumbled order. Arrange the sentences in the correct order to form a meaningful and coherent paragraph. 1. These dangers were soon recognised and resulted in two international declarations—in 1874 in Brussels and in 1899 in The Hague—that prohibited the use of poisoned weapons. 2. Though treaties were all made in good faith, they contained no means of control, and so failed to prevent interested parties from developing and using biological weapons. 3. Man has used poisons for assassination purposes ever since the dawn of civilisation, against individual enemies but also occasionally against armies. 4. The foundation of microbiology by Louis Pasteur and Robert Koch offered new prospects for those interested in biological weapons because it allowed agents to be chosen and designed on a rational basis.