<span>B) Pre-war alliances were made in secret and elevated diplomatic tensions within those governments.
Or sometimes the fact that alliances were being made was announced publicly -- but the negotiations about the alliances were conducted behind closed doors. And often the terms of the alliances were kept secret, so that only the parties involved knew the full details. This contributed to an attitude of escalating nervousness and tension as the nations of Europe maneuvered for strength over against their perceived adversaries.
</span>
Explanation:
I think they used the scientific method if this is wrong I'm very sorry I apologize I hope this helps :-)
<span>They both celebrate the start of a new year. </span>
By the 1800s, formal trade societies and guilds began to emerge. <span>Workers form unions because an individual worker is powerless compared to an employer, who can set low wages and long working hours as long as it adheres to labor laws. When workers combine to form a union, they collectively have enough power to negotiate with the employer. </span>
