Northern lawmakers were hesitant to go to war with Mexico because in the North people began to question the system as they increasingly viewed it as immoral and believed that it was wrong for person to enslave another. By starting a war with Mexico, they believe that the new territories would create more slave states and perpetuate the system further. Aside from that, President James Polk also wanted to acquire the territories of California, New Mexico and Oregon. Eventually war broke out when American troops to the Rio Grande and Nueces River regard as disputed territories.
The awnser is becasue the nations were united
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The Gulf of Tonkin incident.
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I had this already.
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France also extended its influence in North Africa after 1870, establishing a protectorate in Tunisia in 1881 with the Bardo Treaty. Gradually, French control crystallised over much of North, West, and Central Africa by around the start of the 20th century (including the modern states of Mauritania, Senegal, Guinea, Mali, Ivory Coast, Benin, Niger, Chad, Central African Republic, Republic of the Congo, Gabon, Cameroon, the east African coastal enclave of Djibouti (French Somaliland), and the island of Madagascar).
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